netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout

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Summary

CVECVE-2024-26643
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-03-21 11:15:28 UTC
Updated2026-05-12 12:16:19 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout While the rhashtable set gc runs asynchronously, a race allows it to collect elements from anonymous sets with timeouts while it is being released from the commit path. Mingi Cho originally reported this issue in a different path in 6.1.x with a pipapo set with low timeouts which is not possible upstream since 7395dfacfff6 ("netfilter: nf_tables: use timestamp to check for set element timeout"). Fix this by setting on the dead flag for anonymous sets to skip async gc in this case. According to 08e4c8c5919f ("netfilter: nf_tables: mark newset as dead on transaction abort"), Florian plans to accelerate abort path by releasing objects via workqueue, therefore, this sets on the dead flag for abort path too.

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: CWE-667

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 8da1b048f9a501d3d7d38c188ba09d7d0d5b8c27 d75a589bb92af1abf3b779cfcd1977ca11b27033 git Not specified
CNA Linux Linux affected bbdb3b65aa91aa0a32b212f27780b28987f2d94f edcf1a3f182ecf8b6b805f0ce90570ea98c5f6bf git Not specified
CNA Linux Linux affected 448be0774882f95a74fa5eb7519761152add601b e2d45f467096e931044f0ab7634499879d851a5c git Not specified
CNA Linux Linux affected d19e8bf3ea4114dd21fc35da21f398203d7f7df1 291cca35818bd52a407bc37ab45a15816039e363 git Not specified
CNA Linux Linux affected ea3eb9f2192e4fc33b795673e56c97a21987f868 406b0241d0eb598a0b330ab20ae325537d8d8163 git Not specified
CNA Linux Linux affected 5f68718b34a531a556f2f50300ead2862278da26 b2d6f9a5b1cf968f1eaa71085ceeb09c2cb276b1 git Not specified
CNA Linux Linux affected 5f68718b34a531a556f2f50300ead2862278da26 5224afbc30c3ca9ba23e752f0f138729b2c48dd8 git Not specified
CNA Linux Linux affected 5f68718b34a531a556f2f50300ead2862278da26 552705a3650bbf46a22b1adedc1b04181490fc36 git Not specified
CNA Linux Linux affected 0624f190b5742a1527cd938295caa8dc5281d4cd git Not specified
CNA Linux Linux affected 6.5 Not specified
CNA Linux Linux unaffected 6.5 semver Not specified
CNA Linux Linux unaffected 5.4.274 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.215 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.154 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.84 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.24 6.6.* semver Not specified
CNA Linux Linux unaffected 6.7.12 6.7.* semver Not specified
CNA Linux Linux unaffected 6.8 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/e2d45f467096e931044f0ab7634499879d851a5c af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/5224afbc30c3ca9ba23e752f0f138729b2c48dd8 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2024/06/msg00017.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List
git.kernel.org/stable/c/d75a589bb92af1abf3b779cfcd1977ca11b27033 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/552705a3650bbf46a22b1adedc1b04181490fc36 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/291cca35818bd52a407bc37ab45a15816039e363 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/b2d6f9a5b1cf968f1eaa71085ceeb09c2cb276b1 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/edcf1a3f182ecf8b6b805f0ce90570ea98c5f6bf af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/406b0241d0eb598a0b330ab20ae325537d8d8163 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 6000567 Debian Security Update for linux (DSA 5658-1)
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