CVE-2024-50035 (GCVE-0-2024-50035)

Vulnerability from cvelistv5 – Published: 2024-10-21 19:39 – Updated: 2026-05-12 11:59
VLAI?
Title
ppp: fix ppp_async_encode() illegal access
Summary
In the Linux kernel, the following vulnerability has been resolved: ppp: fix ppp_async_encode() illegal access syzbot reported an issue in ppp_async_encode() [1] In this case, pppoe_sendmsg() is called with a zero size. Then ppp_async_encode() is called with an empty skb. BUG: KMSAN: uninit-value in ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline] BUG: KMSAN: uninit-value in ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675 ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline] ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675 ppp_async_send+0x130/0x1b0 drivers/net/ppp/ppp_async.c:634 ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2280 [inline] ppp_input+0x1f1/0xe60 drivers/net/ppp/ppp_generic.c:2304 pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379 sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113 __release_sock+0x1da/0x330 net/core/sock.c:3072 release_sock+0x6b/0x250 net/core/sock.c:3626 pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:744 ____sys_sendmsg+0x903/0xb60 net/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742 __do_sys_sendmmsg net/socket.c:2771 [inline] __se_sys_sendmmsg net/socket.c:2768 [inline] __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:4092 [inline] slab_alloc_node mm/slub.c:4135 [inline] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4187 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678 alloc_skb include/linux/skbuff.h:1322 [inline] sock_wmalloc+0xfe/0x1a0 net/core/sock.c:2732 pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:744 ____sys_sendmsg+0x903/0xb60 net/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742 __do_sys_sendmmsg net/socket.c:2771 [inline] __se_sys_sendmmsg net/socket.c:2768 [inline] __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 5411 Comm: syz.1.14 Not tainted 6.12.0-rc1-syzkaller-00165-g360c1f1f24c6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4151ec65abd755133ebec687218fadd2d2631167 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8dfe93901b410ae41264087427f3b9f389388f83 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 30d91a478d58cbae3dbaa8224d17d0d839f0d71b (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < fadf8fdb3110d3138e05c3765f645535434f8d76 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ce249a4c68d0ce27a8c5d853338d502e2711a314 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8fe992ff3df493d1949922ca234419f3ede08dff (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c007a14797240607038bd3464501109f408940e2 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 40dddd4b8bd08a69471efd96107a4e1c73fabefc (git)
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Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 4.19.323 , ≤ 4.19.* (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.227 , ≤ 5.10.* (semver)
Unaffected: 5.15.168 , ≤ 5.15.* (semver)
Unaffected: 6.1.113 , ≤ 6.1.* (semver)
Unaffected: 6.6.57 , ≤ 6.6.* (semver)
Unaffected: 6.11.4 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nppp: fix ppp_async_encode() illegal access\n\nsyzbot reported an issue in ppp_async_encode() [1]\n\nIn this case, pppoe_sendmsg() is called with a zero size.\nThen ppp_async_encode() is called with an empty skb.\n\nBUG: KMSAN: uninit-value in ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline]\n BUG: KMSAN: uninit-value in ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675\n  ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline]\n  ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675\n  ppp_async_send+0x130/0x1b0 drivers/net/ppp/ppp_async.c:634\n  ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2280 [inline]\n  ppp_input+0x1f1/0xe60 drivers/net/ppp/ppp_generic.c:2304\n  pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379\n  sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113\n  __release_sock+0x1da/0x330 net/core/sock.c:3072\n  release_sock+0x6b/0x250 net/core/sock.c:3626\n  pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903\n  sock_sendmsg_nosec net/socket.c:729 [inline]\n  __sock_sendmsg+0x30f/0x380 net/socket.c:744\n  ____sys_sendmsg+0x903/0xb60 net/socket.c:2602\n  ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656\n  __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742\n  __do_sys_sendmmsg net/socket.c:2771 [inline]\n  __se_sys_sendmmsg net/socket.c:2768 [inline]\n  __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768\n  x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nUninit was created at:\n  slab_post_alloc_hook mm/slub.c:4092 [inline]\n  slab_alloc_node mm/slub.c:4135 [inline]\n  kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4187\n  kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587\n  __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678\n  alloc_skb include/linux/skbuff.h:1322 [inline]\n  sock_wmalloc+0xfe/0x1a0 net/core/sock.c:2732\n  pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867\n  sock_sendmsg_nosec net/socket.c:729 [inline]\n  __sock_sendmsg+0x30f/0x380 net/socket.c:744\n  ____sys_sendmsg+0x903/0xb60 net/socket.c:2602\n  ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656\n  __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742\n  __do_sys_sendmmsg net/socket.c:2771 [inline]\n  __se_sys_sendmmsg net/socket.c:2768 [inline]\n  __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768\n  x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nCPU: 1 UID: 0 PID: 5411 Comm: syz.1.14 Not tainted 6.12.0-rc1-syzkaller-00165-g360c1f1f24c6 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024"
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    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"2.6.12\", \"versionEndExcluding\": \"5.10.227\", \"matchCriteriaId\": \"E346E1F4-278B-4263-B0B8-7234D7CC31E4\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.11\", \"versionEndExcluding\": \"5.15.168\", \"matchCriteriaId\": \"4D51C05D-455B-4D8D-89E7-A58E140B864C\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.16\", \"versionEndExcluding\": \"6.1.113\", \"matchCriteriaId\": \"D01BD22E-ACD1-4618-9D01-6116570BE1EE\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.2\", \"versionEndExcluding\": \"6.6.57\", \"matchCriteriaId\": \"05D83DB8-7465-4F88-AFB2-980011992AC1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.7\", \"versionEndExcluding\": \"6.11.4\", \"matchCriteriaId\": \"AA84D336-CE9A-4535-B901-1AD77EC17C34\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\", \"matchCriteriaId\": \"7F361E1D-580F-4A2D-A509-7615F73167A1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\", \"matchCriteriaId\": \"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nppp: fix ppp_async_encode() illegal access\\n\\nsyzbot reported an issue in ppp_async_encode() [1]\\n\\nIn this case, pppoe_sendmsg() is called with a zero size.\\nThen ppp_async_encode() is called with an empty skb.\\n\\nBUG: KMSAN: uninit-value in ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline]\\n BUG: KMSAN: uninit-value in ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675\\n  ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline]\\n  ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675\\n  ppp_async_send+0x130/0x1b0 drivers/net/ppp/ppp_async.c:634\\n  ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2280 [inline]\\n  ppp_input+0x1f1/0xe60 drivers/net/ppp/ppp_generic.c:2304\\n  pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379\\n  sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113\\n  __release_sock+0x1da/0x330 net/core/sock.c:3072\\n  release_sock+0x6b/0x250 net/core/sock.c:3626\\n  pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903\\n  sock_sendmsg_nosec net/socket.c:729 [inline]\\n  __sock_sendmsg+0x30f/0x380 net/socket.c:744\\n  ____sys_sendmsg+0x903/0xb60 net/socket.c:2602\\n  ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656\\n  __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742\\n  __do_sys_sendmmsg net/socket.c:2771 [inline]\\n  __se_sys_sendmmsg net/socket.c:2768 [inline]\\n  __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768\\n  x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308\\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nUninit was created at:\\n  slab_post_alloc_hook mm/slub.c:4092 [inline]\\n  slab_alloc_node mm/slub.c:4135 [inline]\\n  kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4187\\n  kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587\\n  __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678\\n  alloc_skb include/linux/skbuff.h:1322 [inline]\\n  sock_wmalloc+0xfe/0x1a0 net/core/sock.c:2732\\n  pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867\\n  sock_sendmsg_nosec net/socket.c:729 [inline]\\n  __sock_sendmsg+0x30f/0x380 net/socket.c:744\\n  ____sys_sendmsg+0x903/0xb60 net/socket.c:2602\\n  ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656\\n  __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742\\n  __do_sys_sendmmsg net/socket.c:2771 [inline]\\n  __se_sys_sendmmsg net/socket.c:2768 [inline]\\n  __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768\\n  x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308\\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nCPU: 1 UID: 0 PID: 5411 Comm: syz.1.14 Not tainted 6.12.0-rc1-syzkaller-00165-g360c1f1f24c6 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ppp: se corrige el acceso ilegal a ppp_async_encode() syzbot inform\\u00f3 un problema en ppp_async_encode() [1] En este caso, se llama a pppoe_sendmsg() con un tama\\u00f1o cero. Luego, se llama a ppp_async_encode() con un skb vac\\u00edo. ERROR: KMSAN: valor no inicializado en ppp_async_encode drivers/net/ppp/ppp_async.c:545 [en l\\u00ednea] ERROR: KMSAN: valor no inicializado en ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675 ppp_async_encode drivers/net/ppp/ppp_async.c:545 [en l\\u00ednea] ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675 ppp_async_send+0x130/0x1b0 drivers/net/ppp/ppp_async.c:634 ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2280 [en l\\u00ednea] ppp_input+0x1f1/0xe60 drivers/net/ppp/ppp_generic.c:2304 pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379 sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113 __release_sock+0x1da/0x330 net/core/sock.c:3072 release_sock+0x6b/0x250 net/core/sock.c:3626 pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903 sock_sendmsg_nosec net/socket.c:729 [en l\\u00ednea] __sock_sendmsg+0x30f/0x380 red/socket.c:744 ____sys_sendmsg+0x903/0xb60 red/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 red/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 red/socket.c:2742 __do_sys_sendmmsg red/socket.c:2771 [en l\\u00ednea] __se_sys_sendmmsg red/socket.c:2768 [en l\\u00ednea] __x64_sys_sendmmsg+0xbc/0x120 red/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [en l\\u00ednea] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit se cre\\u00f3 en: slab_post_alloc_hook mm/slub.c:4092 [en l\\u00ednea] slab_alloc_node mm/slub.c:4135 [en l\\u00ednea] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4187 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587 __alloc_skb+0x363/0x7b0 red/core/skbuff.c:678 alloc_skb include/linux/skbuff.h:1322 [en l\\u00ednea] sock_wmalloc+0xfe/0x1a0 red/core/sock.c:2732 pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867 sock_sendmsg_nosec red/socket.c:729 [en l\\u00ednea] __sock_sendmsg+0x30f/0x380 red/socket.c:744 ____sys_sendmsg+0x903/0xb60 red/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 red/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 red/socket.c:2742 __do_sys_sendmmsg red/socket.c:2771 [en l\\u00ednea] __se_sys_sendmmsg red/socket.c:2768 [en l\\u00ednea] __x64_sys_sendmmsg+0xbc/0x120 red/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [en l\\u00ednea] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 5411 Comm: syz.1.14 No contaminado 6.12.0-rc1-syzkaller-00165-g360c1f1f24c6 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 13/09/2024\"}]",
      "id": "CVE-2024-50035",
      "lastModified": "2024-11-08T16:15:42.777",
      "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:H/I:N/A:H\", \"baseScore\": 7.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.2}]}",
      "published": "2024-10-21T20:15:16.640",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/30d91a478d58cbae3dbaa8224d17d0d839f0d71b\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/40dddd4b8bd08a69471efd96107a4e1c73fabefc\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/4151ec65abd755133ebec687218fadd2d2631167\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/8dfe93901b410ae41264087427f3b9f389388f83\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/8fe992ff3df493d1949922ca234419f3ede08dff\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/c007a14797240607038bd3464501109f408940e2\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/ce249a4c68d0ce27a8c5d853338d502e2711a314\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/fadf8fdb3110d3138e05c3765f645535434f8d76\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-908\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-50035\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-10-21T20:15:16.640\",\"lastModified\":\"2026-05-12T13:16:15.940\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nppp: fix ppp_async_encode() illegal access\\n\\nsyzbot reported an issue in ppp_async_encode() [1]\\n\\nIn this case, pppoe_sendmsg() is called with a zero size.\\nThen ppp_async_encode() is called with an empty skb.\\n\\nBUG: KMSAN: uninit-value in ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline]\\n BUG: KMSAN: uninit-value in ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675\\n  ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline]\\n  ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675\\n  ppp_async_send+0x130/0x1b0 drivers/net/ppp/ppp_async.c:634\\n  ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2280 [inline]\\n  ppp_input+0x1f1/0xe60 drivers/net/ppp/ppp_generic.c:2304\\n  pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379\\n  sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113\\n  __release_sock+0x1da/0x330 net/core/sock.c:3072\\n  release_sock+0x6b/0x250 net/core/sock.c:3626\\n  pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903\\n  sock_sendmsg_nosec net/socket.c:729 [inline]\\n  __sock_sendmsg+0x30f/0x380 net/socket.c:744\\n  ____sys_sendmsg+0x903/0xb60 net/socket.c:2602\\n  ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656\\n  __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742\\n  __do_sys_sendmmsg net/socket.c:2771 [inline]\\n  __se_sys_sendmmsg net/socket.c:2768 [inline]\\n  __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768\\n  x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308\\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nUninit was created at:\\n  slab_post_alloc_hook mm/slub.c:4092 [inline]\\n  slab_alloc_node mm/slub.c:4135 [inline]\\n  kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4187\\n  kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587\\n  __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678\\n  alloc_skb include/linux/skbuff.h:1322 [inline]\\n  sock_wmalloc+0xfe/0x1a0 net/core/sock.c:2732\\n  pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867\\n  sock_sendmsg_nosec net/socket.c:729 [inline]\\n  __sock_sendmsg+0x30f/0x380 net/socket.c:744\\n  ____sys_sendmsg+0x903/0xb60 net/socket.c:2602\\n  ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656\\n  __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742\\n  __do_sys_sendmmsg net/socket.c:2771 [inline]\\n  __se_sys_sendmmsg net/socket.c:2768 [inline]\\n  __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768\\n  x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308\\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nCPU: 1 UID: 0 PID: 5411 Comm: syz.1.14 Not tainted 6.12.0-rc1-syzkaller-00165-g360c1f1f24c6 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ppp: se corrige el acceso ilegal a ppp_async_encode() syzbot inform\u00f3 un problema en ppp_async_encode() [1] En este caso, se llama a pppoe_sendmsg() con un tama\u00f1o cero. Luego, se llama a ppp_async_encode() con un skb vac\u00edo. ERROR: KMSAN: valor no inicializado en ppp_async_encode drivers/net/ppp/ppp_async.c:545 [en l\u00ednea] ERROR: KMSAN: valor no inicializado en ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675 ppp_async_encode drivers/net/ppp/ppp_async.c:545 [en l\u00ednea] ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675 ppp_async_send+0x130/0x1b0 drivers/net/ppp/ppp_async.c:634 ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2280 [en l\u00ednea] ppp_input+0x1f1/0xe60 drivers/net/ppp/ppp_generic.c:2304 pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379 sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113 __release_sock+0x1da/0x330 net/core/sock.c:3072 release_sock+0x6b/0x250 net/core/sock.c:3626 pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903 sock_sendmsg_nosec net/socket.c:729 [en l\u00ednea] __sock_sendmsg+0x30f/0x380 red/socket.c:744 ____sys_sendmsg+0x903/0xb60 red/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 red/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 red/socket.c:2742 __do_sys_sendmmsg red/socket.c:2771 [en l\u00ednea] __se_sys_sendmmsg red/socket.c:2768 [en l\u00ednea] __x64_sys_sendmmsg+0xbc/0x120 red/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit se cre\u00f3 en: slab_post_alloc_hook mm/slub.c:4092 [en l\u00ednea] slab_alloc_node mm/slub.c:4135 [en l\u00ednea] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4187 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587 __alloc_skb+0x363/0x7b0 red/core/skbuff.c:678 alloc_skb include/linux/skbuff.h:1322 [en l\u00ednea] sock_wmalloc+0xfe/0x1a0 red/core/sock.c:2732 pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867 sock_sendmsg_nosec red/socket.c:729 [en l\u00ednea] __sock_sendmsg+0x30f/0x380 red/socket.c:744 ____sys_sendmsg+0x903/0xb60 red/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 red/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 red/socket.c:2742 __do_sys_sendmmsg red/socket.c:2771 [en l\u00ednea] __se_sys_sendmmsg red/socket.c:2768 [en l\u00ednea] __x64_sys_sendmmsg+0xbc/0x120 red/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 5411 Comm: syz.1.14 No contaminado 6.12.0-rc1-syzkaller-00165-g360c1f1f24c6 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 13/09/2024\"}],\"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:H/I:N/A:H\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.2}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"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\":\"5.10.227\",\"matchCriteriaId\":\"E346E1F4-278B-4263-B0B8-7234D7CC31E4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.168\",\"matchCriteriaId\":\"4D51C05D-455B-4D8D-89E7-A58E140B864C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.113\",\"matchCriteriaId\":\"D01BD22E-ACD1-4618-9D01-6116570BE1EE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.57\",\"matchCriteriaId\":\"05D83DB8-7465-4F88-AFB2-980011992AC1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.4\",\"matchCriteriaId\":\"AA84D336-CE9A-4535-B901-1AD77EC17C34\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F361E1D-580F-4A2D-A509-7615F73167A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/30d91a478d58cbae3dbaa8224d17d0d839f0d71b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/40dddd4b8bd08a69471efd96107a4e1c73fabefc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4151ec65abd755133ebec687218fadd2d2631167\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8dfe93901b410ae41264087427f3b9f389388f83\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8fe992ff3df493d1949922ca234419f3ede08dff\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c007a14797240607038bd3464501109f408940e2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ce249a4c68d0ce27a8c5d853338d502e2711a314\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fadf8fdb3110d3138e05c3765f645535434f8d76\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/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\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-355557.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:24:40.958Z\"}}, {\"affected\": [{\"vendor\": \"Siemens\", \"product\": \"RUGGEDCOM RST2428P\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"V3.2\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Siemens\", \"product\": \"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"V3.2\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Siemens\", \"product\": \"SCALANCE XCM-/XRM-/XCH-/XRH-300 family\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"V3.2\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Siemens\", \"product\": \"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"x_adpType\": \"supplier\", \"references\": [{\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\"}, {\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-355557.html\"}], \"providerMetadata\": {\"orgId\": \"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\", \"shortName\": \"siemens-SADP\", \"dateUpdated\": \"2026-05-12T11:59:50.600Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-50035\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-22T13:25:33.483652Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:25:36.838Z\"}}], \"cna\": {\"title\": \"ppp: fix ppp_async_encode() illegal access\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"4151ec65abd755133ebec687218fadd2d2631167\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"8dfe93901b410ae41264087427f3b9f389388f83\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"30d91a478d58cbae3dbaa8224d17d0d839f0d71b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"fadf8fdb3110d3138e05c3765f645535434f8d76\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"ce249a4c68d0ce27a8c5d853338d502e2711a314\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"8fe992ff3df493d1949922ca234419f3ede08dff\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"c007a14797240607038bd3464501109f408940e2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"40dddd4b8bd08a69471efd96107a4e1c73fabefc\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ppp/ppp_async.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\": \"4.19.323\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.285\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.227\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.168\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.113\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.57\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ppp/ppp_async.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/4151ec65abd755133ebec687218fadd2d2631167\"}, {\"url\": \"https://git.kernel.org/stable/c/8dfe93901b410ae41264087427f3b9f389388f83\"}, {\"url\": \"https://git.kernel.org/stable/c/30d91a478d58cbae3dbaa8224d17d0d839f0d71b\"}, {\"url\": \"https://git.kernel.org/stable/c/fadf8fdb3110d3138e05c3765f645535434f8d76\"}, {\"url\": \"https://git.kernel.org/stable/c/ce249a4c68d0ce27a8c5d853338d502e2711a314\"}, {\"url\": \"https://git.kernel.org/stable/c/8fe992ff3df493d1949922ca234419f3ede08dff\"}, {\"url\": \"https://git.kernel.org/stable/c/c007a14797240607038bd3464501109f408940e2\"}, {\"url\": \"https://git.kernel.org/stable/c/40dddd4b8bd08a69471efd96107a4e1c73fabefc\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nppp: fix ppp_async_encode() illegal access\\n\\nsyzbot reported an issue in ppp_async_encode() [1]\\n\\nIn this case, pppoe_sendmsg() is called with a zero size.\\nThen ppp_async_encode() is called with an empty skb.\\n\\nBUG: KMSAN: uninit-value in ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline]\\n BUG: KMSAN: uninit-value in ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675\\n  ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline]\\n  ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675\\n  ppp_async_send+0x130/0x1b0 drivers/net/ppp/ppp_async.c:634\\n  ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2280 [inline]\\n  ppp_input+0x1f1/0xe60 drivers/net/ppp/ppp_generic.c:2304\\n  pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379\\n  sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113\\n  __release_sock+0x1da/0x330 net/core/sock.c:3072\\n  release_sock+0x6b/0x250 net/core/sock.c:3626\\n  pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903\\n  sock_sendmsg_nosec net/socket.c:729 [inline]\\n  __sock_sendmsg+0x30f/0x380 net/socket.c:744\\n  ____sys_sendmsg+0x903/0xb60 net/socket.c:2602\\n  ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656\\n  __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742\\n  __do_sys_sendmmsg net/socket.c:2771 [inline]\\n  __se_sys_sendmmsg net/socket.c:2768 [inline]\\n  __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768\\n  x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308\\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nUninit was created at:\\n  slab_post_alloc_hook mm/slub.c:4092 [inline]\\n  slab_alloc_node mm/slub.c:4135 [inline]\\n  kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4187\\n  kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587\\n  __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678\\n  alloc_skb include/linux/skbuff.h:1322 [inline]\\n  sock_wmalloc+0xfe/0x1a0 net/core/sock.c:2732\\n  pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867\\n  sock_sendmsg_nosec net/socket.c:729 [inline]\\n  __sock_sendmsg+0x30f/0x380 net/socket.c:744\\n  ____sys_sendmsg+0x903/0xb60 net/socket.c:2602\\n  ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656\\n  __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742\\n  __do_sys_sendmmsg net/socket.c:2771 [inline]\\n  __se_sys_sendmmsg net/socket.c:2768 [inline]\\n  __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768\\n  x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308\\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nCPU: 1 UID: 0 PID: 5411 Comm: syz.1.14 Not tainted 6.12.0-rc1-syzkaller-00165-g360c1f1f24c6 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.323\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.285\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.227\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.168\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.113\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.57\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.4\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"2.6.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:44:14.079Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-50035\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-12T11:59:50.600Z\", \"dateReserved\": \"2024-10-21T12:17:06.070Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T19:39:36.460Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.




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.