{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-48850", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48850", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2024-07-16T12:25:17.824Z", "updatedAt": "2026-05-11T18:48:21.372Z", "importedAt": "2026-10-24T01:56:45.230Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "net-sysfs: add check for netdevice being present to speed_show", "summary": "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: [] 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": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "d519e17e2d01a0ee9abe083019532061b4438065", "status": "affected", "versionType": "git", "lessThan": "a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2" }, { "version": "d519e17e2d01a0ee9abe083019532061b4438065", "status": "affected", "versionType": "git", "lessThan": "081369ad088a76429984483b8a5f7e967a125aad" }, { "version": "d519e17e2d01a0ee9abe083019532061b4438065", "status": "affected", "versionType": "git", "lessThan": "75fc8363227a999e8f3d17e2eb28dce5600dcd3f" }, { "version": "d519e17e2d01a0ee9abe083019532061b4438065", "status": "affected", "versionType": "git", "lessThan": "8879b5313e9fa5e0c6d6812a0d25d83aed0110e2" }, { "version": "d519e17e2d01a0ee9abe083019532061b4438065", "status": "affected", "versionType": "git", "lessThan": "d15c9f6e3335002fea1c33bc8f71a705fa96976c" }, { "version": "d519e17e2d01a0ee9abe083019532061b4438065", "status": "affected", "versionType": "git", "lessThan": "8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6" }, { "version": "d519e17e2d01a0ee9abe083019532061b4438065", "status": "affected", "versionType": "git", "lessThan": "3a79f380b3e10edf6caa9aac90163a5d7a282204" }, { "version": "d519e17e2d01a0ee9abe083019532061b4438065", "status": "affected", "versionType": "git", "lessThan": "4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "2.6.33", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "2.6.33" }, { "version": "4.9.307", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.9.*" }, { "version": "4.14.272", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.235", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.185", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.106", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.29", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "5.16.15", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.16.*" }, { "version": "5.17", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }