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CVE-2023-53433 (GCVE-0-2023-53433)

Vulnerability from cvelistv5 – Published: 2025-09-18 16:04 – Updated: 2026-05-23 15:28
VLAI
Title
net: add vlan_get_protocol_and_depth() helper
Summary
In the Linux kernel, the following vulnerability has been resolved: net: add vlan_get_protocol_and_depth() helper Before blamed commit, pskb_may_pull() was used instead of skb_header_pointer() in __vlan_get_protocol() and friends. Few callers depended on skb->head being populated with MAC header, syzbot caught one of them (skb_mac_gso_segment()) Add vlan_get_protocol_and_depth() to make the intent clearer and use it where sensible. This is a more generic fix than commit e9d3f80935b6 ("net/af_packet: make sure to pull mac header") which was dealing with a similar issue. kernel BUG at include/linux/skbuff.h:2655 ! invalid opcode: 0000 [#1] SMP KASAN CPU: 0 PID: 1441 Comm: syz-executor199 Not tainted 6.1.24-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:__skb_pull include/linux/skbuff.h:2655 [inline] RIP: 0010:skb_mac_gso_segment+0x68f/0x6a0 net/core/gro.c:136 Code: fd 48 8b 5c 24 10 44 89 6b 70 48 c7 c7 c0 ae 0d 86 44 89 e6 e8 a1 91 d0 00 48 c7 c7 00 af 0d 86 48 89 de 31 d2 e8 d1 4a e9 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 RSP: 0018:ffffc90001bd7520 EFLAGS: 00010286 RAX: ffffffff8469736a RBX: ffff88810f31dac0 RCX: ffff888115a18b00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90001bd75e8 R08: ffffffff84697183 R09: fffff5200037adf9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000012 R13: 000000000000fee5 R14: 0000000000005865 R15: 000000000000fed7 FS: 000055555633f300(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 0000000116fea000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> [<ffffffff847018dd>] __skb_gso_segment+0x32d/0x4c0 net/core/dev.c:3419 [<ffffffff8470398a>] skb_gso_segment include/linux/netdevice.h:4819 [inline] [<ffffffff8470398a>] validate_xmit_skb+0x3aa/0xee0 net/core/dev.c:3725 [<ffffffff84707042>] __dev_queue_xmit+0x1332/0x3300 net/core/dev.c:4313 [<ffffffff851a9ec7>] dev_queue_xmit+0x17/0x20 include/linux/netdevice.h:3029 [<ffffffff851b4a82>] packet_snd net/packet/af_packet.c:3111 [inline] [<ffffffff851b4a82>] packet_sendmsg+0x49d2/0x6470 net/packet/af_packet.c:3142 [<ffffffff84669a12>] sock_sendmsg_nosec net/socket.c:716 [inline] [<ffffffff84669a12>] sock_sendmsg net/socket.c:736 [inline] [<ffffffff84669a12>] __sys_sendto+0x472/0x5f0 net/socket.c:2139 [<ffffffff84669c75>] __do_sys_sendto net/socket.c:2151 [inline] [<ffffffff84669c75>] __se_sys_sendto net/socket.c:2147 [inline] [<ffffffff84669c75>] __x64_sys_sendto+0xe5/0x100 net/socket.c:2147 [<ffffffff8551d40f>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8551d40f>] do_syscall_64+0x2f/0x50 arch/x86/entry/common.c:80 [<ffffffff85600087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 19:15 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 30d015f5ecd9ce5706ad18a4a0649f364e3e6f7b , < 4188c5269475ac59d467b5814c5df02756f6d907 (git)
Affected: 469aceddfa3ed16e17ee30533fae45e90f62efd8 , < 34a5ee69ec6273f0aee79e7ce4d14afc83ca8122 (git)
Affected: 469aceddfa3ed16e17ee30533fae45e90f62efd8 , < 9dd9ffe118415b4ac1cebac43443000072bc8f46 (git)
Affected: 469aceddfa3ed16e17ee30533fae45e90f62efd8 , < 55caf900e13cd04466def08173a14b41d18c19c3 (git)
Affected: 469aceddfa3ed16e17ee30533fae45e90f62efd8 , < 15eaeb8941f12fcc2713c4bf6eb8f76a37854b4d (git)
Affected: 469aceddfa3ed16e17ee30533fae45e90f62efd8 , < 4063384ef762cc5946fc7a3f89879e76c6ec51e2 (git)
Affected: bb7b26278b384dad1423101dc69157b63968ed1c (git)
Affected: a890a3d3115da196ff25599fe900f34016a4ef49 (git)
Affected: 502bbb8480c38ae6caa4f890b98db3b2a4ae919a (git)
Affected: d4d0e6c07bcd17d704afe64e10382ffc5d342765 (git)
Affected: 754056791f66153890825c2626174aaa7fe82d16 (git)
Affected: 5.4.53 , < 5.4.244 (semver)
Affected: 4.4.248 , < 4.5 (semver)
Affected: 4.9.248 , < 4.10 (semver)
Affected: 4.14.212 , < 4.15 (semver)
Affected: 4.19.134 , < 4.20 (semver)
Affected: 5.7.10 , < 5.8 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 5.8
Unaffected: 0 , < 5.8 (semver)
Unaffected: 5.4.244 , ≤ 5.4.* (semver)
Unaffected: 5.10.181 , ≤ 5.10.* (semver)
Unaffected: 5.15.113 , ≤ 5.15.* (semver)
Unaffected: 6.1.30 , ≤ 6.1.* (semver)
Unaffected: 6.3.4 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: add vlan_get_protocol_and_depth() helper\n\nBefore blamed commit, pskb_may_pull() was used instead\nof skb_header_pointer() in __vlan_get_protocol() and friends.\n\nFew callers depended on skb-\u003ehead being populated with MAC header,\nsyzbot caught one of them (skb_mac_gso_segment())\n\nAdd vlan_get_protocol_and_depth() to make the intent clearer\nand use it where sensible.\n\nThis is a more generic fix than commit e9d3f80935b6\n(\"net/af_packet: make sure to pull mac header\") which was\ndealing with a similar issue.\n\nkernel BUG at include/linux/skbuff.h:2655 !\ninvalid opcode: 0000 [#1] SMP KASAN\nCPU: 0 PID: 1441 Comm: syz-executor199 Not tainted 6.1.24-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023\nRIP: 0010:__skb_pull include/linux/skbuff.h:2655 [inline]\nRIP: 0010:skb_mac_gso_segment+0x68f/0x6a0 net/core/gro.c:136\nCode: fd 48 8b 5c 24 10 44 89 6b 70 48 c7 c7 c0 ae 0d 86 44 89 e6 e8 a1 91 d0 00 48 c7 c7 00 af 0d 86 48 89 de 31 d2 e8 d1 4a e9 ff \u003c0f\u003e 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41\nRSP: 0018:ffffc90001bd7520 EFLAGS: 00010286\nRAX: ffffffff8469736a RBX: ffff88810f31dac0 RCX: ffff888115a18b00\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffffc90001bd75e8 R08: ffffffff84697183 R09: fffff5200037adf9\nR10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000012\nR13: 000000000000fee5 R14: 0000000000005865 R15: 000000000000fed7\nFS: 000055555633f300(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000020000000 CR3: 0000000116fea000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n\u003cTASK\u003e\n[\u003cffffffff847018dd\u003e] __skb_gso_segment+0x32d/0x4c0 net/core/dev.c:3419\n[\u003cffffffff8470398a\u003e] skb_gso_segment include/linux/netdevice.h:4819 [inline]\n[\u003cffffffff8470398a\u003e] validate_xmit_skb+0x3aa/0xee0 net/core/dev.c:3725\n[\u003cffffffff84707042\u003e] __dev_queue_xmit+0x1332/0x3300 net/core/dev.c:4313\n[\u003cffffffff851a9ec7\u003e] dev_queue_xmit+0x17/0x20 include/linux/netdevice.h:3029\n[\u003cffffffff851b4a82\u003e] packet_snd net/packet/af_packet.c:3111 [inline]\n[\u003cffffffff851b4a82\u003e] packet_sendmsg+0x49d2/0x6470 net/packet/af_packet.c:3142\n[\u003cffffffff84669a12\u003e] sock_sendmsg_nosec net/socket.c:716 [inline]\n[\u003cffffffff84669a12\u003e] sock_sendmsg net/socket.c:736 [inline]\n[\u003cffffffff84669a12\u003e] __sys_sendto+0x472/0x5f0 net/socket.c:2139\n[\u003cffffffff84669c75\u003e] __do_sys_sendto net/socket.c:2151 [inline]\n[\u003cffffffff84669c75\u003e] __se_sys_sendto net/socket.c:2147 [inline]\n[\u003cffffffff84669c75\u003e] __x64_sys_sendto+0xe5/0x100 net/socket.c:2147\n[\u003cffffffff8551d40f\u003e] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n[\u003cffffffff8551d40f\u003e] do_syscall_64+0x2f/0x50 arch/x86/entry/common.c:80\n[\u003cffffffff85600087\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd"
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          "url": "https://git.kernel.org/stable/c/4188c5269475ac59d467b5814c5df02756f6d907"
        },
        {
          "url": "https://git.kernel.org/stable/c/34a5ee69ec6273f0aee79e7ce4d14afc83ca8122"
        },
        {
          "url": "https://git.kernel.org/stable/c/9dd9ffe118415b4ac1cebac43443000072bc8f46"
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        {
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        },
        {
          "url": "https://git.kernel.org/stable/c/4063384ef762cc5946fc7a3f89879e76c6ec51e2"
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    "dateReserved": "2025-09-17T14:54:09.745Z",
    "dateUpdated": "2026-05-23T15:28:55.105Z",
    "state": "PUBLISHED"
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    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53433\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-09-18T16:15:47.343\",\"lastModified\":\"2026-06-17T06:45:19.210\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: add vlan_get_protocol_and_depth() helper\\n\\nBefore blamed commit, pskb_may_pull() was used instead\\nof skb_header_pointer() in __vlan_get_protocol() and friends.\\n\\nFew callers depended on skb-\u003ehead being populated with MAC header,\\nsyzbot caught one of them (skb_mac_gso_segment())\\n\\nAdd vlan_get_protocol_and_depth() to make the intent clearer\\nand use it where sensible.\\n\\nThis is a more generic fix than commit e9d3f80935b6\\n(\\\"net/af_packet: make sure to pull mac header\\\") which was\\ndealing with a similar issue.\\n\\nkernel BUG at include/linux/skbuff.h:2655 !\\ninvalid opcode: 0000 [#1] SMP KASAN\\nCPU: 0 PID: 1441 Comm: syz-executor199 Not tainted 6.1.24-syzkaller #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023\\nRIP: 0010:__skb_pull include/linux/skbuff.h:2655 [inline]\\nRIP: 0010:skb_mac_gso_segment+0x68f/0x6a0 net/core/gro.c:136\\nCode: fd 48 8b 5c 24 10 44 89 6b 70 48 c7 c7 c0 ae 0d 86 44 89 e6 e8 a1 91 d0 00 48 c7 c7 00 af 0d 86 48 89 de 31 d2 e8 d1 4a e9 ff \u003c0f\u003e 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41\\nRSP: 0018:ffffc90001bd7520 EFLAGS: 00010286\\nRAX: ffffffff8469736a RBX: ffff88810f31dac0 RCX: ffff888115a18b00\\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\\nRBP: ffffc90001bd75e8 R08: ffffffff84697183 R09: fffff5200037adf9\\nR10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000012\\nR13: 000000000000fee5 R14: 0000000000005865 R15: 000000000000fed7\\nFS: 000055555633f300(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000\\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000000020000000 CR3: 0000000116fea000 CR4: 00000000003506f0\\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\\nCall Trace:\\n\u003cTASK\u003e\\n[\u003cffffffff847018dd\u003e] __skb_gso_segment+0x32d/0x4c0 net/core/dev.c:3419\\n[\u003cffffffff8470398a\u003e] skb_gso_segment include/linux/netdevice.h:4819 [inline]\\n[\u003cffffffff8470398a\u003e] validate_xmit_skb+0x3aa/0xee0 net/core/dev.c:3725\\n[\u003cffffffff84707042\u003e] __dev_queue_xmit+0x1332/0x3300 net/core/dev.c:4313\\n[\u003cffffffff851a9ec7\u003e] dev_queue_xmit+0x17/0x20 include/linux/netdevice.h:3029\\n[\u003cffffffff851b4a82\u003e] packet_snd net/packet/af_packet.c:3111 [inline]\\n[\u003cffffffff851b4a82\u003e] packet_sendmsg+0x49d2/0x6470 net/packet/af_packet.c:3142\\n[\u003cffffffff84669a12\u003e] sock_sendmsg_nosec net/socket.c:716 [inline]\\n[\u003cffffffff84669a12\u003e] sock_sendmsg net/socket.c:736 [inline]\\n[\u003cffffffff84669a12\u003e] __sys_sendto+0x472/0x5f0 net/socket.c:2139\\n[\u003cffffffff84669c75\u003e] __do_sys_sendto net/socket.c:2151 [inline]\\n[\u003cffffffff84669c75\u003e] __se_sys_sendto net/socket.c:2147 [inline]\\n[\u003cffffffff84669c75\u003e] __x64_sys_sendto+0xe5/0x100 net/socket.c:2147\\n[\u003cffffffff8551d40f\u003e] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\\n[\u003cffffffff8551d40f\u003e] do_syscall_64+0x2f/0x50 arch/x86/entry/common.c:80\\n[\u003cffffffff85600087\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/tap.c\",\"include/linux/if_vlan.h\",\"net/bridge/br_forward.c\",\"net/core/dev.c\",\"net/packet/af_packet.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"30d015f5ecd9ce5706ad18a4a0649f364e3e6f7b\",\"lessThan\":\"4188c5269475ac59d467b5814c5df02756f6d907\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"469aceddfa3ed16e17ee30533fae45e90f62efd8\",\"lessThan\":\"34a5ee69ec6273f0aee79e7ce4d14afc83ca8122\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"469aceddfa3ed16e17ee30533fae45e90f62efd8\",\"lessThan\":\"9dd9ffe118415b4ac1cebac43443000072bc8f46\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"469aceddfa3ed16e17ee30533fae45e90f62efd8\",\"lessThan\":\"55caf900e13cd04466def08173a14b41d18c19c3\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"469aceddfa3ed16e17ee30533fae45e90f62efd8\",\"lessThan\":\"15eaeb8941f12fcc2713c4bf6eb8f76a37854b4d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"469aceddfa3ed16e17ee30533fae45e90f62efd8\",\"lessThan\":\"4063384ef762cc5946fc7a3f89879e76c6ec51e2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"bb7b26278b384dad1423101dc69157b63968ed1c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a890a3d3115da196ff25599fe900f34016a4ef49\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"502bbb8480c38ae6caa4f890b98db3b2a4ae919a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d4d0e6c07bcd17d704afe64e10382ffc5d342765\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"754056791f66153890825c2626174aaa7fe82d16\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5.4.53\",\"lessThan\":\"5.4.244\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"4.4.248\",\"lessThan\":\"4.5\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"4.9.248\",\"lessThan\":\"4.10\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"4.14.212\",\"lessThan\":\"4.15\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"4.19.134\",\"lessThan\":\"4.20\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.7.10\",\"lessThan\":\"5.8\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/tap.c\",\"include/linux/if_vlan.h\",\"net/bridge/br_forward.c\",\"net/core/dev.c\",\"net/packet/af_packet.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.8\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.8\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.244\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.181\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.113\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.30\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.3.4\",\"lessThanOrEqual\":\"6.3.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.4\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-01-14T19:15:42.586343Z\",\"id\":\"CVE-2023-53433\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.4.248\",\"versionEndExcluding\":\"4.5\",\"matchCriteriaId\":\"78BA0B2A-E7CC-4EB9-B86F-8E26DB7E5B97\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.9.248\",\"versionEndExcluding\":\"4.10\",\"matchCriteriaId\":\"38026CB8-15CF-4F13-A2D2-6D4DBBB18012\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.14.212\",\"versionEndExcluding\":\"4.15\",\"matchCriteriaId\":\"599C4FE7-655D-4939-AA2C-DA4BB817CD48\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.19.134\",\"versionEndExcluding\":\"4.20\",\"matchCriteriaId\":\"2A6A4F7D-4D35-4D50-B609-ED12F8167886\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4.53\",\"versionEndExcluding\":\"5.4.244\",\"matchCriteriaId\":\"E95EF5D3-41EA-47CA-B46E-911D407EF914\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.7.10\",\"versionEndExcluding\":\"5.8\",\"matchCriteriaId\":\"92A73C33-7B25-44AD-A976-034B527AB896\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.8.1\",\"versionEndExcluding\":\"5.10.181\",\"matchCriteriaId\":\"A483AEF2-8137-427D-AFC0-CA32ED7DFC25\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.113\",\"matchCriteriaId\":\"F3D5E1B5-AB9D-4ECC-8F11-F3E1BF761E27\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.30\",\"matchCriteriaId\":\"E9430E62-03EA-42E6-9E5E-BD1D5124D107\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.3.4\",\"matchCriteriaId\":\"26C54BF0-3EED-46D4-92A7-5F07F658B49B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.8:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"0E2DC66F-4A95-475F-B8B6-191DEC1E7EF6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.8:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"5F813669-CB80-4A17-9141-F3A4FA98CA13\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.8:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"69E12239-342D-43B2-93F0-2760623AFEEF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.8:rc7:*:*:*:*:*:*\",\"matchCriteriaId\":\"CA1501B4-945A-45C2-8E7C-65085BF91C76\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.4:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"38BC6744-7D25-4C02-9966-B224CD071D30\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/15eaeb8941f12fcc2713c4bf6eb8f76a37854b4d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/34a5ee69ec6273f0aee79e7ce4d14afc83ca8122\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4063384ef762cc5946fc7a3f89879e76c6ec51e2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4188c5269475ac59d467b5814c5df02756f6d907\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/55caf900e13cd04466def08173a14b41d18c19c3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9dd9ffe118415b4ac1cebac43443000072bc8f46\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-22T03:08:12+00:00",
      "cve": "CVE-2023-53433",
      "id": "CVE-2023-53433",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_affected": "170",
      "product_status:known_not_affected": "104",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net: add vlan_get_protocol_and_depth() helper",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53433.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-53433\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-14T19:15:42.586343Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-noinfo Not enough information\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-14T19:15:36.358Z\"}}], \"cna\": {\"title\": \"net: add vlan_get_protocol_and_depth() helper\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"30d015f5ecd9ce5706ad18a4a0649f364e3e6f7b\", \"lessThan\": \"4188c5269475ac59d467b5814c5df02756f6d907\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"469aceddfa3ed16e17ee30533fae45e90f62efd8\", \"lessThan\": \"34a5ee69ec6273f0aee79e7ce4d14afc83ca8122\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"469aceddfa3ed16e17ee30533fae45e90f62efd8\", \"lessThan\": \"9dd9ffe118415b4ac1cebac43443000072bc8f46\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"469aceddfa3ed16e17ee30533fae45e90f62efd8\", \"lessThan\": \"55caf900e13cd04466def08173a14b41d18c19c3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"469aceddfa3ed16e17ee30533fae45e90f62efd8\", \"lessThan\": \"15eaeb8941f12fcc2713c4bf6eb8f76a37854b4d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"469aceddfa3ed16e17ee30533fae45e90f62efd8\", \"lessThan\": \"4063384ef762cc5946fc7a3f89879e76c6ec51e2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"bb7b26278b384dad1423101dc69157b63968ed1c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a890a3d3115da196ff25599fe900f34016a4ef49\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"502bbb8480c38ae6caa4f890b98db3b2a4ae919a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d4d0e6c07bcd17d704afe64e10382ffc5d342765\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"754056791f66153890825c2626174aaa7fe82d16\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/tap.c\", \"include/linux/if_vlan.h\", \"net/bridge/br_forward.c\", \"net/core/dev.c\", \"net/packet/af_packet.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.8\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.8\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.244\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.181\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.113\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.30\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.3.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.3.*\"}, {\"status\": \"unaffected\", \"version\": \"6.4\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/tap.c\", \"include/linux/if_vlan.h\", \"net/bridge/br_forward.c\", \"net/core/dev.c\", \"net/packet/af_packet.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/4188c5269475ac59d467b5814c5df02756f6d907\"}, {\"url\": \"https://git.kernel.org/stable/c/34a5ee69ec6273f0aee79e7ce4d14afc83ca8122\"}, {\"url\": \"https://git.kernel.org/stable/c/9dd9ffe118415b4ac1cebac43443000072bc8f46\"}, {\"url\": \"https://git.kernel.org/stable/c/55caf900e13cd04466def08173a14b41d18c19c3\"}, {\"url\": \"https://git.kernel.org/stable/c/15eaeb8941f12fcc2713c4bf6eb8f76a37854b4d\"}, {\"url\": \"https://git.kernel.org/stable/c/4063384ef762cc5946fc7a3f89879e76c6ec51e2\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: add vlan_get_protocol_and_depth() helper\\n\\nBefore blamed commit, pskb_may_pull() was used instead\\nof skb_header_pointer() in __vlan_get_protocol() and friends.\\n\\nFew callers depended on skb-\u003ehead being populated with MAC header,\\nsyzbot caught one of them (skb_mac_gso_segment())\\n\\nAdd vlan_get_protocol_and_depth() to make the intent clearer\\nand use it where sensible.\\n\\nThis is a more generic fix than commit e9d3f80935b6\\n(\\\"net/af_packet: make sure to pull mac header\\\") which was\\ndealing with a similar issue.\\n\\nkernel BUG at include/linux/skbuff.h:2655 !\\ninvalid opcode: 0000 [#1] SMP KASAN\\nCPU: 0 PID: 1441 Comm: syz-executor199 Not tainted 6.1.24-syzkaller #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023\\nRIP: 0010:__skb_pull include/linux/skbuff.h:2655 [inline]\\nRIP: 0010:skb_mac_gso_segment+0x68f/0x6a0 net/core/gro.c:136\\nCode: fd 48 8b 5c 24 10 44 89 6b 70 48 c7 c7 c0 ae 0d 86 44 89 e6 e8 a1 91 d0 00 48 c7 c7 00 af 0d 86 48 89 de 31 d2 e8 d1 4a e9 ff \u003c0f\u003e 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41\\nRSP: 0018:ffffc90001bd7520 EFLAGS: 00010286\\nRAX: ffffffff8469736a RBX: ffff88810f31dac0 RCX: ffff888115a18b00\\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\\nRBP: ffffc90001bd75e8 R08: ffffffff84697183 R09: fffff5200037adf9\\nR10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000012\\nR13: 000000000000fee5 R14: 0000000000005865 R15: 000000000000fed7\\nFS: 000055555633f300(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000\\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000000020000000 CR3: 0000000116fea000 CR4: 00000000003506f0\\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\\nCall Trace:\\n\u003cTASK\u003e\\n[\u003cffffffff847018dd\u003e] __skb_gso_segment+0x32d/0x4c0 net/core/dev.c:3419\\n[\u003cffffffff8470398a\u003e] skb_gso_segment include/linux/netdevice.h:4819 [inline]\\n[\u003cffffffff8470398a\u003e] validate_xmit_skb+0x3aa/0xee0 net/core/dev.c:3725\\n[\u003cffffffff84707042\u003e] __dev_queue_xmit+0x1332/0x3300 net/core/dev.c:4313\\n[\u003cffffffff851a9ec7\u003e] dev_queue_xmit+0x17/0x20 include/linux/netdevice.h:3029\\n[\u003cffffffff851b4a82\u003e] packet_snd net/packet/af_packet.c:3111 [inline]\\n[\u003cffffffff851b4a82\u003e] packet_sendmsg+0x49d2/0x6470 net/packet/af_packet.c:3142\\n[\u003cffffffff84669a12\u003e] sock_sendmsg_nosec net/socket.c:716 [inline]\\n[\u003cffffffff84669a12\u003e] sock_sendmsg net/socket.c:736 [inline]\\n[\u003cffffffff84669a12\u003e] __sys_sendto+0x472/0x5f0 net/socket.c:2139\\n[\u003cffffffff84669c75\u003e] __do_sys_sendto net/socket.c:2151 [inline]\\n[\u003cffffffff84669c75\u003e] __se_sys_sendto net/socket.c:2147 [inline]\\n[\u003cffffffff84669c75\u003e] __x64_sys_sendto+0xe5/0x100 net/socket.c:2147\\n[\u003cffffffff8551d40f\u003e] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\\n[\u003cffffffff8551d40f\u003e] do_syscall_64+0x2f/0x50 arch/x86/entry/common.c:80\\n[\u003cffffffff85600087\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.244\", \"versionStartIncluding\": \"5.4.53\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.181\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.113\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.30\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.3.4\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.4\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.4.248\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.9.248\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.14.212\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.19.134\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"5.7.10\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T19:44:53.330Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-53433\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T19:44:53.330Z\", \"dateReserved\": \"2025-09-17T14:54:09.745Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-09-18T16:04:13.126Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.