FKIE_CVE-2023-52796

Vulnerability from fkie_nvd - Published: 2024-05-21 16:15 - Updated: 2026-06-17 06:43
Summary
In the Linux kernel, the following vulnerability has been resolved: ipvlan: add ipvlan_route_v6_outbound() helper Inspired by syzbot reports using a stack of multiple ipvlan devices. Reduce stack size needed in ipvlan_process_v6_outbound() by moving the flowi6 struct used for the route lookup in an non inlined helper. ipvlan_route_v6_outbound() needs 120 bytes on the stack, immediately reclaimed. Also make sure ipvlan_process_v4_outbound() is not inlined. We might also have to lower MAX_NEST_DEV, because only syzbot uses setups with more than four stacked devices. BUG: TASK stack guard page was hit at ffffc9000e803ff8 (stack is ffffc9000e804000..ffffc9000e808000) stack guard page: 0000 [#1] SMP KASAN CPU: 0 PID: 13442 Comm: syz-executor.4 Not tainted 6.1.52-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:kasan_check_range+0x4/0x2a0 mm/kasan/generic.c:188 Code: 48 01 c6 48 89 c7 e8 db 4e c1 03 31 c0 5d c3 cc 0f 0b eb 02 0f 0b b8 ea ff ff ff 5d c3 cc 00 00 cc cc 00 00 cc cc 55 48 89 e5 <41> 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 a4 01 00 00 48 89 RSP: 0018:ffffc9000e804000 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817e5bf2 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff887c6568 RBP: ffffc9000e804000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92001d0080c R13: dffffc0000000000 R14: ffffffff87e6b100 R15: 0000000000000000 FS: 00007fd0c55826c0(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000e803ff8 CR3: 0000000170ef7000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <#DF> </#DF> <TASK> [<ffffffff81f281d1>] __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31 [<ffffffff817e5bf2>] instrument_atomic_read include/linux/instrumented.h:72 [inline] [<ffffffff817e5bf2>] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] [<ffffffff817e5bf2>] cpumask_test_cpu include/linux/cpumask.h:506 [inline] [<ffffffff817e5bf2>] cpu_online include/linux/cpumask.h:1092 [inline] [<ffffffff817e5bf2>] trace_lock_acquire include/trace/events/lock.h:24 [inline] [<ffffffff817e5bf2>] lock_acquire+0xe2/0x590 kernel/locking/lockdep.c:5632 [<ffffffff8563221e>] rcu_lock_acquire+0x2e/0x40 include/linux/rcupdate.h:306 [<ffffffff8561464d>] rcu_read_lock include/linux/rcupdate.h:747 [inline] [<ffffffff8561464d>] ip6_pol_route+0x15d/0x1440 net/ipv6/route.c:2221 [<ffffffff85618120>] ip6_pol_route_output+0x50/0x80 net/ipv6/route.c:2606 [<ffffffff856f65b5>] pol_lookup_func include/net/ip6_fib.h:584 [inline] [<ffffffff856f65b5>] fib6_rule_lookup+0x265/0x620 net/ipv6/fib6_rules.c:116 [<ffffffff85618009>] ip6_route_output_flags_noref+0x2d9/0x3a0 net/ipv6/route.c:2638 [<ffffffff8561821a>] ip6_route_output_flags+0xca/0x340 net/ipv6/route.c:2651 [<ffffffff838bd5a3>] ip6_route_output include/net/ip6_route.h:100 [inline] [<ffffffff838bd5a3>] ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:473 [inline] [<ffffffff838bd5a3>] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:529 [inline] [<ffffffff838bd5a3>] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline] [<ffffffff838bd5a3>] ipvlan_queue_xmit+0xc33/0x1be0 drivers/net/ipvlan/ipvlan_core.c:677 [<ffffffff838c2909>] ipvlan_start_xmit+0x49/0x100 drivers/net/ipvlan/ipvlan_main.c:229 [<ffffffff84d03900>] netdev_start_xmit include/linux/netdevice.h:4966 [inline] [<ffffffff84d03900>] xmit_one net/core/dev.c:3644 [inline] [<ffffffff84d03900>] dev_hard_start_xmit+0x320/0x980 net/core/dev.c:3660 [<ffffffff84d080e2>] __dev_queue_xmit+0x16b2/0x3370 net/core/dev.c:4324 [<ffffffff855ce4cd>] dev_queue_xmit include/linux/netdevice.h:3067 [inline] [<ffffffff855ce4cd>] neigh_hh_output include/net/neighbour.h:529 [inline] [<f ---truncated---
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/03cddc4df8c6be47fd27c8f8b87e5f9a989e1458Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/18f039428c7df183b09c69ebf10ffd4e521035d2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1f64cad3ac38ac5978b53c40e6c5e6fd3477c68fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/43b781e7cb5cd0b435de276111953bf2bacd1f02Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4d2d30f0792b47908af64c4d02ed1ee25ff50542Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4f7f850611aa27aaaf1bf5687702ad2240ae442aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/732a67ca436887b594ebc43bb5a04ffb0971a760Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8872dc638c24bb774cd2224a69d72a7f661a4d56Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/03cddc4df8c6be47fd27c8f8b87e5f9a989e1458Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/18f039428c7df183b09c69ebf10ffd4e521035d2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1f64cad3ac38ac5978b53c40e6c5e6fd3477c68fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/43b781e7cb5cd0b435de276111953bf2bacd1f02Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4d2d30f0792b47908af64c4d02ed1ee25ff50542Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4f7f850611aa27aaaf1bf5687702ad2240ae442aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/732a67ca436887b594ebc43bb5a04ffb0971a760Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8872dc638c24bb774cd2224a69d72a7f661a4d56Patch

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ipvlan/ipvlan_core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4f7f850611aa27aaaf1bf5687702ad2240ae442a",
              "status": "affected",
              "version": "2ad7bf3638411cb547f2823df08166c13ab04269",
              "versionType": "git"
            },
            {
              "lessThan": "4d2d30f0792b47908af64c4d02ed1ee25ff50542",
              "status": "affected",
              "version": "2ad7bf3638411cb547f2823df08166c13ab04269",
              "versionType": "git"
            },
            {
              "lessThan": "43b781e7cb5cd0b435de276111953bf2bacd1f02",
              "status": "affected",
              "version": "2ad7bf3638411cb547f2823df08166c13ab04269",
              "versionType": "git"
            },
            {
              "lessThan": "1f64cad3ac38ac5978b53c40e6c5e6fd3477c68f",
              "status": "affected",
              "version": "2ad7bf3638411cb547f2823df08166c13ab04269",
              "versionType": "git"
            },
            {
              "lessThan": "732a67ca436887b594ebc43bb5a04ffb0971a760",
              "status": "affected",
              "version": "2ad7bf3638411cb547f2823df08166c13ab04269",
              "versionType": "git"
            },
            {
              "lessThan": "8872dc638c24bb774cd2224a69d72a7f661a4d56",
              "status": "affected",
              "version": "2ad7bf3638411cb547f2823df08166c13ab04269",
              "versionType": "git"
            },
            {
              "lessThan": "03cddc4df8c6be47fd27c8f8b87e5f9a989e1458",
              "status": "affected",
              "version": "2ad7bf3638411cb547f2823df08166c13ab04269",
              "versionType": "git"
            },
            {
              "lessThan": "18f039428c7df183b09c69ebf10ffd4e521035d2",
              "status": "affected",
              "version": "2ad7bf3638411cb547f2823df08166c13ab04269",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ipvlan/ipvlan_core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.19"
            },
            {
              "lessThan": "3.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.300",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.262",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.202",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.64",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.5.*",
              "status": "unaffected",
              "version": "6.5.13",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.7",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A0E050D1-0178-4EA2-A8BD-F003256E09D3",
              "versionEndExcluding": "4.19.300",
              "versionStartIncluding": "3.19",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "28B0AAED-45BA-4928-9A85-66A429B9F038",
              "versionEndExcluding": "5.4.262",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "39D508B4-58C7-40C2-BE05-44E41110EB98",
              "versionEndExcluding": "5.10.202",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "15D6C23C-78A3-40D2-B76B-4F1D9C2D95C0",
              "versionEndExcluding": "5.15.140",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8D7C884A-CAA2-4EA2-9FEB-5CE776D7B05F",
              "versionEndExcluding": "6.1.64",
              "versionStartIncluding": "5.16",
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            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "674C4F82-C336-4B49-BF64-1DE422E889C4",
              "versionEndExcluding": "6.5.13",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B58252FA-A49C-411F-9B28-DC5FE44BC5A0",
              "versionEndExcluding": "6.6.3",
              "versionStartIncluding": "6.6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.7:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "3A0038DE-E183-4958-A6E3-CE3821FEAFBF",
              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipvlan: add ipvlan_route_v6_outbound() helper\n\nInspired by syzbot reports using a stack of multiple ipvlan devices.\n\nReduce stack size needed in ipvlan_process_v6_outbound() by moving\nthe flowi6 struct used for the route lookup in an non inlined\nhelper. ipvlan_route_v6_outbound() needs 120 bytes on the stack,\nimmediately reclaimed.\n\nAlso make sure ipvlan_process_v4_outbound() is not inlined.\n\nWe might also have to lower MAX_NEST_DEV, because only syzbot uses\nsetups with more than four stacked devices.\n\nBUG: TASK stack guard page was hit at ffffc9000e803ff8 (stack is ffffc9000e804000..ffffc9000e808000)\nstack guard page: 0000 [#1] SMP KASAN\nCPU: 0 PID: 13442 Comm: syz-executor.4 Not tainted 6.1.52-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023\nRIP: 0010:kasan_check_range+0x4/0x2a0 mm/kasan/generic.c:188\nCode: 48 01 c6 48 89 c7 e8 db 4e c1 03 31 c0 5d c3 cc 0f 0b eb 02 0f 0b b8 ea ff ff ff 5d c3 cc 00 00 cc cc 00 00 cc cc 55 48 89 e5 \u003c41\u003e 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 a4 01 00 00 48 89\nRSP: 0018:ffffc9000e804000 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817e5bf2\nRDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff887c6568\nRBP: ffffc9000e804000 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92001d0080c\nR13: dffffc0000000000 R14: ffffffff87e6b100 R15: 0000000000000000\nFS: 00007fd0c55826c0(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: ffffc9000e803ff8 CR3: 0000000170ef7000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n\u003c#DF\u003e\n\u003c/#DF\u003e\n\u003cTASK\u003e\n[\u003cffffffff81f281d1\u003e] __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31\n[\u003cffffffff817e5bf2\u003e] instrument_atomic_read include/linux/instrumented.h:72 [inline]\n[\u003cffffffff817e5bf2\u003e] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]\n[\u003cffffffff817e5bf2\u003e] cpumask_test_cpu include/linux/cpumask.h:506 [inline]\n[\u003cffffffff817e5bf2\u003e] cpu_online include/linux/cpumask.h:1092 [inline]\n[\u003cffffffff817e5bf2\u003e] trace_lock_acquire include/trace/events/lock.h:24 [inline]\n[\u003cffffffff817e5bf2\u003e] lock_acquire+0xe2/0x590 kernel/locking/lockdep.c:5632\n[\u003cffffffff8563221e\u003e] rcu_lock_acquire+0x2e/0x40 include/linux/rcupdate.h:306\n[\u003cffffffff8561464d\u003e] rcu_read_lock include/linux/rcupdate.h:747 [inline]\n[\u003cffffffff8561464d\u003e] ip6_pol_route+0x15d/0x1440 net/ipv6/route.c:2221\n[\u003cffffffff85618120\u003e] ip6_pol_route_output+0x50/0x80 net/ipv6/route.c:2606\n[\u003cffffffff856f65b5\u003e] pol_lookup_func include/net/ip6_fib.h:584 [inline]\n[\u003cffffffff856f65b5\u003e] fib6_rule_lookup+0x265/0x620 net/ipv6/fib6_rules.c:116\n[\u003cffffffff85618009\u003e] ip6_route_output_flags_noref+0x2d9/0x3a0 net/ipv6/route.c:2638\n[\u003cffffffff8561821a\u003e] ip6_route_output_flags+0xca/0x340 net/ipv6/route.c:2651\n[\u003cffffffff838bd5a3\u003e] ip6_route_output include/net/ip6_route.h:100 [inline]\n[\u003cffffffff838bd5a3\u003e] ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:473 [inline]\n[\u003cffffffff838bd5a3\u003e] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:529 [inline]\n[\u003cffffffff838bd5a3\u003e] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline]\n[\u003cffffffff838bd5a3\u003e] ipvlan_queue_xmit+0xc33/0x1be0 drivers/net/ipvlan/ipvlan_core.c:677\n[\u003cffffffff838c2909\u003e] ipvlan_start_xmit+0x49/0x100 drivers/net/ipvlan/ipvlan_main.c:229\n[\u003cffffffff84d03900\u003e] netdev_start_xmit include/linux/netdevice.h:4966 [inline]\n[\u003cffffffff84d03900\u003e] xmit_one net/core/dev.c:3644 [inline]\n[\u003cffffffff84d03900\u003e] dev_hard_start_xmit+0x320/0x980 net/core/dev.c:3660\n[\u003cffffffff84d080e2\u003e] __dev_queue_xmit+0x16b2/0x3370 net/core/dev.c:4324\n[\u003cffffffff855ce4cd\u003e] dev_queue_xmit include/linux/netdevice.h:3067 [inline]\n[\u003cffffffff855ce4cd\u003e] neigh_hh_output include/net/neighbour.h:529 [inline]\n[\u003cf\n---truncated---"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: ipvlan: agregue el asistente ipvlan_route_v6_outbound(). Inspirado en los informes de syzbot que utilizan una pila de m\u00faltiples dispositivos ipvlan. Reduzca el tama\u00f1o de pila necesario en ipvlan_process_v6_outbound() moviendo la estructura flowi6 utilizada para la b\u00fasqueda de rutas en un asistente no integrado. ipvlan_route_v6_outbound() necesita 120 bytes en la pila, que se recuperan inmediatamente. Tambi\u00e9n aseg\u00farese de que ipvlan_process_v4_outbound() no est\u00e9 incluido. Es posible que tambi\u00e9n tengamos que reducir MAX_NEST_DEV, porque solo syzbot usa configuraciones con m\u00e1s de cuatro dispositivos apilados. ERROR: La p\u00e1gina de protecci\u00f3n de la pila de TAREA fue alcanzada en ffffc9000e803ff8 (la pila es ffffc9000e804000..ffffc9000e808000) p\u00e1gina de protecci\u00f3n de la pila: 0000 [#1] SMP KASAN CPU: 0 PID: 13442 Comm: syz-executor.4 No contaminado 6.1.52-syzkaller # 0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/10/2023 RIP: 0010:kasan_check_range+0x4/0x2a0 mm/kasan/generic.c:188 C\u00f3digo: 48 01 c6 48 89 c7 e8 db 4e c1 03 31 c0 5d c3 cc 0f 0b eb 02 0f 0b b8 ea ff ff ff 5d c3 cc 00 00 cc cc 00 00 cc cc 55 48 89 e5 \u0026lt;41\u0026gt; 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0 f 84 a4 01 00 00 48 89 RSP: 0018:ffffc9000e804000 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000000000000 RCX: ffffffff817e5bf2 RDX: 000000000 RSI: 0000000000000008 RDI: ffffffff887c6568 RBP: ffffc9000e804000 R08: 00000000000000000 R09: 0000000000000000 R10: 000000000000000 00 R11: dffffc0000000001 R12: 1ffff92001d0080c R13: dffffc0000000000 R14: ffffffff87e6b100 R15: 0000000000000000 FS: 00007fd0c55826c0(0000) GS:ffff8881f6800000(0000) knlGS:00000000000000 00 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000e803ff8 CR3: 0000000170ef7000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Seguimiento de llamadas: \u0026lt;#DF\u0026gt;   [] __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31 [] instrument_atomic_read include/linux/instrumented.h:72 [en l\u00ednea] [] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [en l\u00ednea] [] cpumask_test_cpu include/linux /cpumask.h:506 [en l\u00ednea] [] cpu_online include/linux/cpumask.h:1092 [en l\u00ednea] [] trace_lock_acquire include/trace/events/lock.h:24 [en l\u00ednea] [] lock_acquire+0xe2/0x590 kernel/locking/lockdep.c:5632 [] rcu_lock_acquire+0x2e/0x40 include/linux/rcupdate.h:306 [] rcu_read_lock include/linux/rcupdate.h:747 [en l\u00ednea] [] ip6_pol_route+0x15d/0x1440 net/ipv6/route.c:2221 [] ip6_pol_route_output+0x50/0x80 net/ipv6/route.c:2606 [ ] pol_lookup_func incluir/net /ip6_fib.h:584 [en l\u00ednea] [] fib6_rule_lookup+0x265/0x620 net/ipv6/fib6_rules.c:116 [] ip6_route_output_flags_noref+0x2d9/0x3a0 net/ipv6/route .c:2638 [] ip6_route_output_flags+0xca/0x340 net/ipv6/route.c:2651 [] ip6_route_output include/net/ip6_route.h:100 [en l\u00ednea] [] ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan _core.c: 473 [en l\u00ednea] [] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:529 [en l\u00ednea] [] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [en l\u00ednea] [ ] ipvlan_queue_xmit +0xc33/0x1be0 drivers/net/ipvlan/ipvlan_core.c:677 [] ipvlan_start_xmit+0x49/0x100 drivers/net/ipvlan/ipvlan_main.c:229 [] netdev_start_xmit include/linux/netdevice.h: 4966 [en l\u00ednea] [] xmit_one net/core/dev.c:3644 [en l\u00ednea] [] dev_hard_start_xmit+0x320/0x980 net/core/dev.c:3660 [] __dev_queue_xmit+ 0x16b2/ 0x3370 net/core/dev.c:4324  --truncado--"
    }
  ],
  "id": "CVE-2023-52796",
  "lastModified": "2026-06-17T06:43:35.960",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-52796",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-05-22T19:45:36.487225Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-21T16:15:18.157",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/03cddc4df8c6be47fd27c8f8b87e5f9a989e1458"
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    },
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      "url": "https://git.kernel.org/stable/c/4f7f850611aa27aaaf1bf5687702ad2240ae442a"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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