net: Fix an unsafe loop on the list

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-50024
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-10-21 20:15:15 UTC
Updated2026-08-04 11:21:08 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: Fix an unsafe loop on the list The kernel may crash when deleting a genetlink family if there are still listeners for that family: Oops: Kernel access of bad area, sig: 11 [#1] ... NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0 LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0 Call Trace: __netlink_clear_multicast_users+0x74/0xc0 genl_unregister_family+0xd4/0x2d0 Change the unsafe loop on the list to a safe one, because inside the loop there is an element removal from this list.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-noinfo

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.3HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
3.1CNADECLARED7.3HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected b8273570f802a7658827dcb077b0b517ba75a289 464801a0f6ccb52b21faa33bac6014fd74cc5e10 git Not specified
CNA Linux Linux affected b8273570f802a7658827dcb077b0b517ba75a289 8e0766fcf37ad8eed289dd3853628dd9b01b58b0 git Not specified
CNA Linux Linux affected b8273570f802a7658827dcb077b0b517ba75a289 68ad5da6ca630a276f0a5c924179e57724d00013 git Not specified
CNA Linux Linux affected b8273570f802a7658827dcb077b0b517ba75a289 1cdec792b2450105b1314c5123a9a0452cb2c2f0 git Not specified
CNA Linux Linux affected b8273570f802a7658827dcb077b0b517ba75a289 5f03a7f601f33cda1f710611625235dc86fd8a9e git Not specified
CNA Linux Linux affected b8273570f802a7658827dcb077b0b517ba75a289 3be342e0332a7c83eb26fbb22bf156fdca467a5d git Not specified
CNA Linux Linux affected b8273570f802a7658827dcb077b0b517ba75a289 49f9b726bf2bf3dd2caf0d27cadf4bc1ccf7a7dd git Not specified
CNA Linux Linux affected b8273570f802a7658827dcb077b0b517ba75a289 1dae9f1187189bc09ff6d25ca97ead711f7e26f9 git Not specified
CNA Linux Linux affected 2.6.32 Not specified
CNA Linux Linux unaffected 2.6.32 semver Not specified
CNA Linux Linux unaffected 4.19.323 4.19.* semver Not specified
CNA Linux Linux unaffected 5.4.285 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.227 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.168 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.113 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.57 6.6.* semver Not specified
CNA Linux Linux unaffected 6.11.4 6.11.* semver Not specified
CNA Linux Linux unaffected 6.12 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/68ad5da6ca630a276f0a5c924179e57724d00013 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/03/msg00002.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/1cdec792b2450105b1314c5123a9a0452cb2c2f0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/1dae9f1187189bc09ff6d25ca97ead711f7e26f9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/5f03a7f601f33cda1f710611625235dc86fd8a9e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/3be342e0332a7c83eb26fbb22bf156fdca467a5d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/8e0766fcf37ad8eed289dd3853628dd9b01b58b0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/49f9b726bf2bf3dd2caf0d27cadf4bc1ccf7a7dd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/01/msg00001.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/464801a0f6ccb52b21faa33bac6014fd74cc5e10 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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