CVE-2024-57802 (GCVE-0-2024-57802)

Vulnerability from cvelistv5 – Published: 2025-01-15 13:10 – Updated: 2026-05-11 20:59
VLAI
Title
netrom: check buffer length before accessing it
Summary
In the Linux kernel, the following vulnerability has been resolved: netrom: check buffer length before accessing it Syzkaller reports an uninit value read from ax25cmp when sending raw message through ieee802154 implementation. ===================================================== BUG: KMSAN: uninit-value in ax25cmp+0x3a5/0x460 net/ax25/ax25_addr.c:119 ax25cmp+0x3a5/0x460 net/ax25/ax25_addr.c:119 nr_dev_get+0x20e/0x450 net/netrom/nr_route.c:601 nr_route_frame+0x1a2/0xfc0 net/netrom/nr_route.c:774 nr_xmit+0x5a/0x1c0 net/netrom/nr_dev.c:144 __netdev_start_xmit include/linux/netdevice.h:4940 [inline] netdev_start_xmit include/linux/netdevice.h:4954 [inline] xmit_one net/core/dev.c:3548 [inline] dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3564 __dev_queue_xmit+0x33b8/0x5130 net/core/dev.c:4349 dev_queue_xmit include/linux/netdevice.h:3134 [inline] raw_sendmsg+0x654/0xc10 net/ieee802154/socket.c:299 ieee802154_sock_sendmsg+0x91/0xc0 net/ieee802154/socket.c:96 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2584 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638 __sys_sendmsg net/socket.c:2667 [inline] __do_sys_sendmsg net/socket.c:2676 [inline] __se_sys_sendmsg net/socket.c:2674 [inline] __x64_sys_sendmsg+0x307/0x490 net/socket.c:2674 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was created at: slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768 slab_alloc_node mm/slub.c:3478 [inline] kmem_cache_alloc_node+0x5e9/0xb10 mm/slub.c:3523 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560 __alloc_skb+0x318/0x740 net/core/skbuff.c:651 alloc_skb include/linux/skbuff.h:1286 [inline] alloc_skb_with_frags+0xc8/0xbd0 net/core/skbuff.c:6334 sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2780 sock_alloc_send_skb include/net/sock.h:1884 [inline] raw_sendmsg+0x36d/0xc10 net/ieee802154/socket.c:282 ieee802154_sock_sendmsg+0x91/0xc0 net/ieee802154/socket.c:96 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2584 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638 __sys_sendmsg net/socket.c:2667 [inline] __do_sys_sendmsg net/socket.c:2676 [inline] __se_sys_sendmsg net/socket.c:2674 [inline] __x64_sys_sendmsg+0x307/0x490 net/socket.c:2674 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b CPU: 0 PID: 5037 Comm: syz-executor166 Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 ===================================================== This issue occurs because the skb buffer is too small, and it's actual allocation is aligned. This hides an actual issue, which is that nr_route_frame does not validate the buffer size before using it. Fix this issue by checking skb->len before accessing any fields in skb->data. Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
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 (v2.0.3)
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 64e9f54a14f2887be8634fb85cd2f13bec18a184 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < cf6befa7c569787f53440274bbed1405fc07738d (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 769e36c2119a51070faf58819c58274f57a088db (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 78a110332ae268d0b005247c3b9a7d703b875c49 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f647d72245aadce30618f4c8fd3803904418dbec (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3ba7f80d98d4965349cfcd258dd78418496c1625 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a4fd163aed2edd967a244499754dec991d8b4c7d (git)
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Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 5.4.289 , ≤ 5.4.* (semver)
Unaffected: 5.10.233 , ≤ 5.10.* (semver)
Unaffected: 5.15.176 , ≤ 5.15.* (semver)
Unaffected: 6.1.124 , ≤ 6.1.* (semver)
Unaffected: 6.6.70 , ≤ 6.6.* (semver)
Unaffected: 6.12.9 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetrom: check buffer length before accessing it\n\nSyzkaller reports an uninit value read from ax25cmp when sending raw message\nthrough ieee802154 implementation.\n\n=====================================================\nBUG: KMSAN: uninit-value in ax25cmp+0x3a5/0x460 net/ax25/ax25_addr.c:119\n ax25cmp+0x3a5/0x460 net/ax25/ax25_addr.c:119\n nr_dev_get+0x20e/0x450 net/netrom/nr_route.c:601\n nr_route_frame+0x1a2/0xfc0 net/netrom/nr_route.c:774\n nr_xmit+0x5a/0x1c0 net/netrom/nr_dev.c:144\n __netdev_start_xmit include/linux/netdevice.h:4940 [inline]\n netdev_start_xmit include/linux/netdevice.h:4954 [inline]\n xmit_one net/core/dev.c:3548 [inline]\n dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3564\n __dev_queue_xmit+0x33b8/0x5130 net/core/dev.c:4349\n dev_queue_xmit include/linux/netdevice.h:3134 [inline]\n raw_sendmsg+0x654/0xc10 net/ieee802154/socket.c:299\n ieee802154_sock_sendmsg+0x91/0xc0 net/ieee802154/socket.c:96\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg net/socket.c:745 [inline]\n ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2584\n ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638\n __sys_sendmsg net/socket.c:2667 [inline]\n __do_sys_sendmsg net/socket.c:2676 [inline]\n __se_sys_sendmsg net/socket.c:2674 [inline]\n __x64_sys_sendmsg+0x307/0x490 net/socket.c:2674\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\n\nUninit was created at:\n slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768\n slab_alloc_node mm/slub.c:3478 [inline]\n kmem_cache_alloc_node+0x5e9/0xb10 mm/slub.c:3523\n kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560\n __alloc_skb+0x318/0x740 net/core/skbuff.c:651\n alloc_skb include/linux/skbuff.h:1286 [inline]\n alloc_skb_with_frags+0xc8/0xbd0 net/core/skbuff.c:6334\n sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2780\n sock_alloc_send_skb include/net/sock.h:1884 [inline]\n raw_sendmsg+0x36d/0xc10 net/ieee802154/socket.c:282\n ieee802154_sock_sendmsg+0x91/0xc0 net/ieee802154/socket.c:96\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg net/socket.c:745 [inline]\n ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2584\n ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638\n __sys_sendmsg net/socket.c:2667 [inline]\n __do_sys_sendmsg net/socket.c:2676 [inline]\n __se_sys_sendmsg net/socket.c:2674 [inline]\n __x64_sys_sendmsg+0x307/0x490 net/socket.c:2674\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\n\nCPU: 0 PID: 5037 Comm: syz-executor166 Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\n=====================================================\n\nThis issue occurs because the skb buffer is too small, and it\u0027s actual\nallocation is aligned. This hides an actual issue, which is that nr_route_frame\ndoes not validate the buffer size before using it.\n\nFix this issue by checking skb-\u003elen before accessing any fields in skb-\u003edata.\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller."
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    "cveId": "CVE-2024-57802",
    "datePublished": "2025-01-15T13:10:25.685Z",
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    "dateUpdated": "2026-05-11T20:59:14.130Z",
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      "cve": "CVE-2024-57802",
      "date": "2026-06-06",
      "epss": "7e-05",
      "percentile": "0.00575"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-57802\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-01-15T13:15:11.853\",\"lastModified\":\"2025-11-03T21:18:34.287\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetrom: check buffer length before accessing it\\n\\nSyzkaller reports an uninit value read from ax25cmp when sending raw message\\nthrough ieee802154 implementation.\\n\\n=====================================================\\nBUG: KMSAN: uninit-value in ax25cmp+0x3a5/0x460 net/ax25/ax25_addr.c:119\\n ax25cmp+0x3a5/0x460 net/ax25/ax25_addr.c:119\\n nr_dev_get+0x20e/0x450 net/netrom/nr_route.c:601\\n nr_route_frame+0x1a2/0xfc0 net/netrom/nr_route.c:774\\n nr_xmit+0x5a/0x1c0 net/netrom/nr_dev.c:144\\n __netdev_start_xmit include/linux/netdevice.h:4940 [inline]\\n netdev_start_xmit include/linux/netdevice.h:4954 [inline]\\n xmit_one net/core/dev.c:3548 [inline]\\n dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3564\\n __dev_queue_xmit+0x33b8/0x5130 net/core/dev.c:4349\\n dev_queue_xmit include/linux/netdevice.h:3134 [inline]\\n raw_sendmsg+0x654/0xc10 net/ieee802154/socket.c:299\\n ieee802154_sock_sendmsg+0x91/0xc0 net/ieee802154/socket.c:96\\n sock_sendmsg_nosec net/socket.c:730 [inline]\\n __sock_sendmsg net/socket.c:745 [inline]\\n ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2584\\n ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638\\n __sys_sendmsg net/socket.c:2667 [inline]\\n __do_sys_sendmsg net/socket.c:2676 [inline]\\n __se_sys_sendmsg net/socket.c:2674 [inline]\\n __x64_sys_sendmsg+0x307/0x490 net/socket.c:2674\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\\n\\nUninit was created at:\\n slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768\\n slab_alloc_node mm/slub.c:3478 [inline]\\n kmem_cache_alloc_node+0x5e9/0xb10 mm/slub.c:3523\\n kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560\\n __alloc_skb+0x318/0x740 net/core/skbuff.c:651\\n alloc_skb include/linux/skbuff.h:1286 [inline]\\n alloc_skb_with_frags+0xc8/0xbd0 net/core/skbuff.c:6334\\n sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2780\\n sock_alloc_send_skb include/net/sock.h:1884 [inline]\\n raw_sendmsg+0x36d/0xc10 net/ieee802154/socket.c:282\\n ieee802154_sock_sendmsg+0x91/0xc0 net/ieee802154/socket.c:96\\n sock_sendmsg_nosec net/socket.c:730 [inline]\\n __sock_sendmsg net/socket.c:745 [inline]\\n ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2584\\n ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638\\n __sys_sendmsg net/socket.c:2667 [inline]\\n __do_sys_sendmsg net/socket.c:2676 [inline]\\n __se_sys_sendmsg net/socket.c:2674 [inline]\\n __x64_sys_sendmsg+0x307/0x490 net/socket.c:2674\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\\n\\nCPU: 0 PID: 5037 Comm: syz-executor166 Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\\n=====================================================\\n\\nThis issue occurs because the skb buffer is too small, and it\u0027s actual\\nallocation is aligned. This hides an actual issue, which is that nr_route_frame\\ndoes not validate the buffer size before using it.\\n\\nFix this issue by checking skb-\u003elen before accessing any fields in skb-\u003edata.\\n\\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netrom: comprobar la longitud del b\u00fafer antes de acceder a \u00e9l Syzkaller informa de un valor no inicializado le\u00eddo desde ax25cmp al enviar un mensaje sin formato a trav\u00e9s de la implementaci\u00f3n de ieee802154. ======================================================= ERROR: KMSAN: valor no inicializado en ax25cmp+0x3a5/0x460 net/ax25/ax25_addr.c:119 ax25cmp+0x3a5/0x460 net/ax25/ax25_addr.c:119 nr_dev_get+0x20e/0x450 net/netrom/nr_route.c:601 nr_route_frame+0x1a2/0xfc0 net/netrom/nr_route.c:774 nr_xmit+0x5a/0x1c0 net/netrom/nr_dev.c:144 __netdev_start_xmit include/linux/netdevice.h:4940 [en l\u00ednea] netdev_start_xmit include/linux/netdevice.h:4954 [en l\u00ednea] xmit_one net/core/dev.c:3548 [en l\u00ednea] dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3564 __dev_queue_xmit+0x33b8/0x5130 net/core/dev.c:4349 dev_queue_xmit include/linux/netdevice.h:3134 [en l\u00ednea] raw_sendmsg+0x654/0xc10 net/ieee802154/socket.c:299 ieee802154_sock_sendmsg+0x91/0xc0 net/ieee802154/socket.c:96 sock_sendmsg_nosec net/socket.c:730 [en l\u00ednea] __sock_sendmsg net/socket.c:745 [en l\u00ednea] ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2584 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638 __sys_sendmsg net/socket.c:2667 [en l\u00ednea] __do_sys_sendmsg net/socket.c:2676 [en l\u00ednea] __se_sys_sendmsg net/socket.c:2674 [en l\u00ednea] __x64_sys_sendmsg+0x307/0x490 net/socket.c:2674 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Se cre\u00f3 un unit en: slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768 slab_alloc_node mm/slub.c:3478 [en l\u00ednea] kmem_cache_alloc_node+0x5e9/0xb10 mm/slub.c:3523 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560 __alloc_skb+0x318/0x740 net/core/skbuff.c:651 alloc_skb include/linux/skbuff.h:1286 [en l\u00ednea] alloc_skb_with_frags+0xc8/0xbd0 net/core/skbuff.c:6334 sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2780 sock_alloc_send_skb include/net/sock.h:1884 [en l\u00ednea] raw_sendmsg+0x36d/0xc10 net/ieee802154/socket.c:282 ieee802154_sock_sendmsg+0x91/0xc0 net/ieee802154/socket.c:96 sock_sendmsg_nosec net/socket.c:730 [en l\u00ednea] __sock_sendmsg net/socket.c:745 [en l\u00ednea] ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2584 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638 __sys_sendmsg net/socket.c:2667 [en l\u00ednea] __do_sys_sendmsg net/socket.c:2676 [en l\u00ednea] __se_sys_sendmsg net/socket.c:2674 [en l\u00ednea] __x64_sys_sendmsg+0x307/0x490 net/socket.c:2674 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b CPU: 0 PID: 5037 Comm: syz-executor166 No contaminado 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 17/11/2023 ======================================================= Este problema se produce porque el b\u00fafer skb es demasiado peque\u00f1o, y su asignaci\u00f3n actual est\u00e1 alineada. Esto oculta un problema real, que es que nr_route_frame no valida el tama\u00f1o del b\u00fafer antes de usarlo. Solucione este problema comprobando skb-\u0026gt;len antes de acceder a cualquier campo en skb-\u0026gt;data. Encontrado por Linux Verification Center (linuxtesting.org) con Syzkaller.\"}],\"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}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-908\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-908\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.12\",\"versionEndExcluding\":\"5.4.289\",\"matchCriteriaId\":\"0AFF0B98-5498-4609-8EB7-0D208461D62D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.233\",\"matchCriteriaId\":\"44569A17-FE4C-4BE3-9C0C-74AC54C7B51B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.176\",\"matchCriteriaId\":\"DDBD8FC6-2357-4347-BFA1-B4A4A3039F35\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.124\",\"matchCriteriaId\":\"1B69CE1B-5219-42EB-B7DD-7E7D7F1DB032\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.70\",\"matchCriteriaId\":\"51E6CFF2-92AA-4936-95AB-2D068168A696\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.9\",\"matchCriteriaId\":\"1D13AF97-FFED-4B68-906D-CFE38D0B88DD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"62567B3C-6CEE-46D0-BC2E-B3717FBF7D13\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"5A073481-106D-4B15-B4C7-FB0213B8E1D4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"DE491969-75AE-4A6B-9A58-8FC5AF98798F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"93C0660D-7FB8-4FBA-892A-B064BA71E49E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"034C36A6-C481-41F3-AE9A-D116E5BE6895\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3ba7f80d98d4965349cfcd258dd78418496c1625\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/64e9f54a14f2887be8634fb85cd2f13bec18a184\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/769e36c2119a51070faf58819c58274f57a088db\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/78a110332ae268d0b005247c3b9a7d703b875c49\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a4fd163aed2edd967a244499754dec991d8b4c7d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cf6befa7c569787f53440274bbed1405fc07738d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f647d72245aadce30618f4c8fd3803904418dbec\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T20:54:35.577Z\"}}, {\"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-2024-57802\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T19:54:26.486373Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-908\", \"description\": \"CWE-908 Use of Uninitialized Resource\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T15:54:28.676Z\"}}], \"cna\": {\"title\": \"netrom: check buffer length before accessing it\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"64e9f54a14f2887be8634fb85cd2f13bec18a184\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"cf6befa7c569787f53440274bbed1405fc07738d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"769e36c2119a51070faf58819c58274f57a088db\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"78a110332ae268d0b005247c3b9a7d703b875c49\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"f647d72245aadce30618f4c8fd3803904418dbec\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"3ba7f80d98d4965349cfcd258dd78418496c1625\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"a4fd163aed2edd967a244499754dec991d8b4c7d\", \"versionType\": \"git\"}], \"programFiles\": [\"net/netrom/nr_route.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.12\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.12\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.289\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.233\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.176\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.124\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.70\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.9\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/netrom/nr_route.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/64e9f54a14f2887be8634fb85cd2f13bec18a184\"}, {\"url\": \"https://git.kernel.org/stable/c/cf6befa7c569787f53440274bbed1405fc07738d\"}, {\"url\": \"https://git.kernel.org/stable/c/769e36c2119a51070faf58819c58274f57a088db\"}, {\"url\": \"https://git.kernel.org/stable/c/78a110332ae268d0b005247c3b9a7d703b875c49\"}, {\"url\": \"https://git.kernel.org/stable/c/f647d72245aadce30618f4c8fd3803904418dbec\"}, {\"url\": \"https://git.kernel.org/stable/c/3ba7f80d98d4965349cfcd258dd78418496c1625\"}, {\"url\": \"https://git.kernel.org/stable/c/a4fd163aed2edd967a244499754dec991d8b4c7d\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetrom: check buffer length before accessing it\\n\\nSyzkaller reports an uninit value read from ax25cmp when sending raw message\\nthrough ieee802154 implementation.\\n\\n=====================================================\\nBUG: KMSAN: uninit-value in ax25cmp+0x3a5/0x460 net/ax25/ax25_addr.c:119\\n ax25cmp+0x3a5/0x460 net/ax25/ax25_addr.c:119\\n nr_dev_get+0x20e/0x450 net/netrom/nr_route.c:601\\n nr_route_frame+0x1a2/0xfc0 net/netrom/nr_route.c:774\\n nr_xmit+0x5a/0x1c0 net/netrom/nr_dev.c:144\\n __netdev_start_xmit include/linux/netdevice.h:4940 [inline]\\n netdev_start_xmit include/linux/netdevice.h:4954 [inline]\\n xmit_one net/core/dev.c:3548 [inline]\\n dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3564\\n __dev_queue_xmit+0x33b8/0x5130 net/core/dev.c:4349\\n dev_queue_xmit include/linux/netdevice.h:3134 [inline]\\n raw_sendmsg+0x654/0xc10 net/ieee802154/socket.c:299\\n ieee802154_sock_sendmsg+0x91/0xc0 net/ieee802154/socket.c:96\\n sock_sendmsg_nosec net/socket.c:730 [inline]\\n __sock_sendmsg net/socket.c:745 [inline]\\n ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2584\\n ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638\\n __sys_sendmsg net/socket.c:2667 [inline]\\n __do_sys_sendmsg net/socket.c:2676 [inline]\\n __se_sys_sendmsg net/socket.c:2674 [inline]\\n __x64_sys_sendmsg+0x307/0x490 net/socket.c:2674\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\\n\\nUninit was created at:\\n slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768\\n slab_alloc_node mm/slub.c:3478 [inline]\\n kmem_cache_alloc_node+0x5e9/0xb10 mm/slub.c:3523\\n kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560\\n __alloc_skb+0x318/0x740 net/core/skbuff.c:651\\n alloc_skb include/linux/skbuff.h:1286 [inline]\\n alloc_skb_with_frags+0xc8/0xbd0 net/core/skbuff.c:6334\\n sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2780\\n sock_alloc_send_skb include/net/sock.h:1884 [inline]\\n raw_sendmsg+0x36d/0xc10 net/ieee802154/socket.c:282\\n ieee802154_sock_sendmsg+0x91/0xc0 net/ieee802154/socket.c:96\\n sock_sendmsg_nosec net/socket.c:730 [inline]\\n __sock_sendmsg net/socket.c:745 [inline]\\n ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2584\\n ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638\\n __sys_sendmsg net/socket.c:2667 [inline]\\n __do_sys_sendmsg net/socket.c:2676 [inline]\\n __se_sys_sendmsg net/socket.c:2674 [inline]\\n __x64_sys_sendmsg+0x307/0x490 net/socket.c:2674\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\\n\\nCPU: 0 PID: 5037 Comm: syz-executor166 Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\\n=====================================================\\n\\nThis issue occurs because the skb buffer is too small, and it\u0027s actual\\nallocation is aligned. This hides an actual issue, which is that nr_route_frame\\ndoes not validate the buffer size before using it.\\n\\nFix this issue by checking skb-\u003elen before accessing any fields in skb-\u003edata.\\n\\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.289\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.233\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.176\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.124\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.70\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.9\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13\", \"versionStartIncluding\": \"2.6.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T10:05:09.847Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-57802\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T20:54:35.577Z\", \"dateReserved\": \"2025-01-15T13:08:59.709Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-01-15T13:10:25.685Z\", \"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.