cve-2022-48850
Vulnerability from cvelistv5
Published
2024-07-16 12:25
Modified
2024-11-04 12:17
Severity ?
Summary
net-sysfs: add check for netdevice being present to speed_show
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aadPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aadPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976cPatch
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet-sysfs: add check for netdevice being present to speed_show\n\nWhen bringing down the netdevice or system shutdown, a panic can be\ntriggered while accessing the sysfs path because the device is already\nremoved.\n\n    [  755.549084] mlx5_core 0000:12:00.1: Shutdown was called\n    [  756.404455] mlx5_core 0000:12:00.0: Shutdown was called\n    ...\n    [  757.937260] BUG: unable to handle kernel NULL pointer dereference at           (null)\n    [  758.031397] IP: [\u003cffffffff8ee11acb\u003e] dma_pool_alloc+0x1ab/0x280\n\n    crash\u003e bt\n    ...\n    PID: 12649  TASK: ffff8924108f2100  CPU: 1   COMMAND: \"amsd\"\n    ...\n     #9 [ffff89240e1a38b0] page_fault at ffffffff8f38c778\n        [exception RIP: dma_pool_alloc+0x1ab]\n        RIP: ffffffff8ee11acb  RSP: ffff89240e1a3968  RFLAGS: 00010046\n        RAX: 0000000000000246  RBX: ffff89243d874100  RCX: 0000000000001000\n        RDX: 0000000000000000  RSI: 0000000000000246  RDI: ffff89243d874090\n        RBP: ffff89240e1a39c0   R8: 000000000001f080   R9: ffff8905ffc03c00\n        R10: ffffffffc04680d4  R11: ffffffff8edde9fd  R12: 00000000000080d0\n        R13: ffff89243d874090  R14: ffff89243d874080  R15: 0000000000000000\n        ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018\n    #10 [ffff89240e1a39c8] mlx5_alloc_cmd_msg at ffffffffc04680f3 [mlx5_core]\n    #11 [ffff89240e1a3a18] cmd_exec at ffffffffc046ad62 [mlx5_core]\n    #12 [ffff89240e1a3ab8] mlx5_cmd_exec at ffffffffc046b4fb [mlx5_core]\n    #13 [ffff89240e1a3ae8] mlx5_core_access_reg at ffffffffc0475434 [mlx5_core]\n    #14 [ffff89240e1a3b40] mlx5e_get_fec_caps at ffffffffc04a7348 [mlx5_core]\n    #15 [ffff89240e1a3bb0] get_fec_supported_advertised at ffffffffc04992bf [mlx5_core]\n    #16 [ffff89240e1a3c08] mlx5e_get_link_ksettings at ffffffffc049ab36 [mlx5_core]\n    #17 [ffff89240e1a3ce8] __ethtool_get_link_ksettings at ffffffff8f25db46\n    #18 [ffff89240e1a3d48] speed_show at ffffffff8f277208\n    #19 [ffff89240e1a3dd8] dev_attr_show at ffffffff8f0b70e3\n    #20 [ffff89240e1a3df8] sysfs_kf_seq_show at ffffffff8eedbedf\n    #21 [ffff89240e1a3e18] kernfs_seq_show at ffffffff8eeda596\n    #22 [ffff89240e1a3e28] seq_read at ffffffff8ee76d10\n    #23 [ffff89240e1a3e98] kernfs_fop_read at ffffffff8eedaef5\n    #24 [ffff89240e1a3ed8] vfs_read at ffffffff8ee4e3ff\n    #25 [ffff89240e1a3f08] sys_read at ffffffff8ee4f27f\n    #26 [ffff89240e1a3f50] system_call_fastpath at ffffffff8f395f92\n\n    crash\u003e net_device.state ffff89443b0c0000\n      state = 0x5  (__LINK_STATE_START| __LINK_STATE_NOCARRIER)\n\nTo prevent this scenario, we also make sure that the netdevice is present."
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48850",
    "datePublished": "2024-07-16T12:25:17.824Z",
    "dateReserved": "2024-07-16T11:38:08.912Z",
    "dateUpdated": "2024-11-04T12:17:48.189Z",
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  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-48850\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-16T13:15:12.170\",\"lastModified\":\"2024-11-21T07:34:12.593\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet-sysfs: add check for netdevice being present to speed_show\\n\\nWhen bringing down the netdevice or system shutdown, a panic can be\\ntriggered while accessing the sysfs path because the device is already\\nremoved.\\n\\n    [  755.549084] mlx5_core 0000:12:00.1: Shutdown was called\\n    [  756.404455] mlx5_core 0000:12:00.0: Shutdown was called\\n    ...\\n    [  757.937260] BUG: unable to handle kernel NULL pointer dereference at           (null)\\n    [  758.031397] IP: [\u003cffffffff8ee11acb\u003e] dma_pool_alloc+0x1ab/0x280\\n\\n    crash\u003e bt\\n    ...\\n    PID: 12649  TASK: ffff8924108f2100  CPU: 1   COMMAND: \\\"amsd\\\"\\n    ...\\n     #9 [ffff89240e1a38b0] page_fault at ffffffff8f38c778\\n        [exception RIP: dma_pool_alloc+0x1ab]\\n        RIP: ffffffff8ee11acb  RSP: ffff89240e1a3968  RFLAGS: 00010046\\n        RAX: 0000000000000246  RBX: ffff89243d874100  RCX: 0000000000001000\\n        RDX: 0000000000000000  RSI: 0000000000000246  RDI: ffff89243d874090\\n        RBP: ffff89240e1a39c0   R8: 000000000001f080   R9: ffff8905ffc03c00\\n        R10: ffffffffc04680d4  R11: ffffffff8edde9fd  R12: 00000000000080d0\\n        R13: ffff89243d874090  R14: ffff89243d874080  R15: 0000000000000000\\n        ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018\\n    #10 [ffff89240e1a39c8] mlx5_alloc_cmd_msg at ffffffffc04680f3 [mlx5_core]\\n    #11 [ffff89240e1a3a18] cmd_exec at ffffffffc046ad62 [mlx5_core]\\n    #12 [ffff89240e1a3ab8] mlx5_cmd_exec at ffffffffc046b4fb [mlx5_core]\\n    #13 [ffff89240e1a3ae8] mlx5_core_access_reg at ffffffffc0475434 [mlx5_core]\\n    #14 [ffff89240e1a3b40] mlx5e_get_fec_caps at ffffffffc04a7348 [mlx5_core]\\n    #15 [ffff89240e1a3bb0] get_fec_supported_advertised at ffffffffc04992bf [mlx5_core]\\n    #16 [ffff89240e1a3c08] mlx5e_get_link_ksettings at ffffffffc049ab36 [mlx5_core]\\n    #17 [ffff89240e1a3ce8] __ethtool_get_link_ksettings at ffffffff8f25db46\\n    #18 [ffff89240e1a3d48] speed_show at ffffffff8f277208\\n    #19 [ffff89240e1a3dd8] dev_attr_show at ffffffff8f0b70e3\\n    #20 [ffff89240e1a3df8] sysfs_kf_seq_show at ffffffff8eedbedf\\n    #21 [ffff89240e1a3e18] kernfs_seq_show at ffffffff8eeda596\\n    #22 [ffff89240e1a3e28] seq_read at ffffffff8ee76d10\\n    #23 [ffff89240e1a3e98] kernfs_fop_read at ffffffff8eedaef5\\n    #24 [ffff89240e1a3ed8] vfs_read at ffffffff8ee4e3ff\\n    #25 [ffff89240e1a3f08] sys_read at ffffffff8ee4f27f\\n    #26 [ffff89240e1a3f50] system_call_fastpath at ffffffff8f395f92\\n\\n    crash\u003e net_device.state ffff89443b0c0000\\n      state = 0x5  (__LINK_STATE_START| __LINK_STATE_NOCARRIER)\\n\\nTo prevent this scenario, we also make sure that the netdevice is present.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net-sysfs: agregue verificaci\u00f3n para que netdevice est\u00e9 presente en speed_show Al desactivar el netdevice o apagar el sistema, se puede desencadenar un p\u00e1nico al acceder a la ruta sysfs porque el dispositivo ya est\u00e1 eliminado. [ 755.549084] mlx5_core 0000:12:00.1: Se llam\u00f3 al apagado [ 756.404455] mlx5_core 0000:12:00.0: Se llam\u00f3 al apagado... [ 757.937260] ERROR: no se puede manejar la desreferencia del puntero NULL del kernel en (nulo) [ 758.031397] IP: [] dma_pool_alloc+0x1ab/0x280 crash\u0026gt; bt... PID: 12649 TAREA: ffff8924108f2100 CPU: 1 COMANDO: \\\"amsd\\\"... #9 [ffff89240e1a38b0] page_fault en ffffffff8f38c778 [excepci\u00f3n RIP: pool_alloc+0x1ab] RIP : ffffffff8ee11acb RSP: ffff89240e1a3968 RFLAGS: 00010046 RAX: 0000000000000246 RBX: ffff89243d874100 RCX: 0000000000001000 RDX: 00000000000000000 RSI: 0000000000000246 RDI: ffff89243d874090 RBP: ffff89240e1a39c0 R8: 000000000001f080 R9: ffff8905ffc03c00 R10: ffffffffc04680d4 R11: d R12: 00000000000080d0 R13: ffff89243d874090 R14: ffff89243d874080 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #10 [ffff89240e1a39c8] mlx5_alloc_cmd_msg en ffffffffc04680f3 [mlx5_core] #11 [ffff89240e1a3a18] d_exec en ffffffffc046ad62 [mlx5_core] #12 [ffff89240e1a3ab8] mlx5_cmd_exec en ffffffffc046b4fb [mlx5_core] #13 [ffff89240e1a3ae8] mlx5_core_access_reg en ffffffffc0475434 [mlx5_core] #14 [ffff89240e1a3b40] mlx5e_get_fec_caps en ffffffffc04a7348 [mlx5_core] #15 [ffff89240e1a3bb0] get_fec_supported_advertised en ffffffffc04992bf [mlx5_core] #16 [ffff89240e1a3c08] mlx5e_get_link_ksettings en ffffffffc049ab36 [mlx5_core] #17 [ffff89240e1a3ce8] __ethtool_get_link_ksettings en ffffffff8f25db46 #18 [ ffff89240e1a3d48] speed_show en ffffffff8f277208 #19 [ffff89240e1a3dd8] dev_attr_show en ffffffff8f0b70e3 #20 [ffff89240e1a3df8] sysfs_kf_seq_show en ffffffff8eedbedf #21 40e1a3e18] kernfs_seq_show en ffffffff8eeda596 #22 [ffff89240e1a3e28] seq_read en ffffffff8ee76d10 #23 [ffff89240e1a3e98] kernfs_fop_read en ffffffff8eedaef5 #24 8] vfs_read en ffffffff8ee4e3ff #25 [ffff89240e1a3f08] sys_read en ffffffff8ee4f27f #26 [ffff89240e1a3f50] system_call_fastpath en ffffffff8f395f92 crash\u0026gt; net_device.state ffff89443b0c0000 estado = 0x5 LINK_STATE_START| __LINK_STATE_NOCARRIER) Para evitar este escenario, tambi\u00e9n nos aseguramos de que el netdevice est\u00e9 presente.\"}],\"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}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.9.307\",\"matchCriteriaId\":\"22B29938-3445-45F5-868D-74D6063E6D64\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.14.272\",\"matchCriteriaId\":\"7F0FA2C5-4E50-48A6-9D72-7C133B60EF05\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.235\",\"matchCriteriaId\":\"F8671D74-E8CD-4E41-A93F-3E3E88125D16\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.185\",\"matchCriteriaId\":\"B374BFBF-C879-4A72-921F-C850CF7DFB99\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.106\",\"matchCriteriaId\":\"6A4F38AC-99A2-48DF-B132-C9F785B309B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.29\",\"matchCriteriaId\":\"15DC6588-B28F-4637-9A1E-3753B34A40CF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.16.15\",\"matchCriteriaId\":\"83FDEDF2-0E19-4879-91FD-171E66D1B335\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aad\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aad\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}"
  }
}


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