| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "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: [<ffffffff8ee11acb>] dma_pool_alloc+0x1ab/0x280\n\n crash> 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> 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." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/core/net-sysfs.c" |
| ], |
| "versions": [ |
| { |
| "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", |
| "lessThan": "a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", |
| "lessThan": "081369ad088a76429984483b8a5f7e967a125aad", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", |
| "lessThan": "75fc8363227a999e8f3d17e2eb28dce5600dcd3f", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", |
| "lessThan": "8879b5313e9fa5e0c6d6812a0d25d83aed0110e2", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", |
| "lessThan": "d15c9f6e3335002fea1c33bc8f71a705fa96976c", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", |
| "lessThan": "8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", |
| "lessThan": "3a79f380b3e10edf6caa9aac90163a5d7a282204", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", |
| "lessThan": "4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/core/net-sysfs.c" |
| ], |
| "versions": [ |
| { |
| "version": "4.9.307", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.272", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.235", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.185", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.106", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.29", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.16.15", |
| "lessThanOrEqual": "5.16.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.17", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionEndExcluding": "4.9.307" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionEndExcluding": "4.14.272" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionEndExcluding": "4.19.235" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionEndExcluding": "5.4.185" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionEndExcluding": "5.10.106" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionEndExcluding": "5.15.29" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionEndExcluding": "5.16.15" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionEndExcluding": "5.17" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aad" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3f" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976c" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624" |
| } |
| ], |
| "title": "net-sysfs: add check for netdevice being present to speed_show", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2022-48850", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
