Use After Free Affecting kernel-doc package, versions <0:4.18.0-425.3.1.el8
Threat Intelligence
Exploit Maturity
Mature
EPSS
0.68% (81st
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDOC-4332687
- published 10 Aug 2022
- disclosed 9 Aug 2022
Introduced: 9 Aug 2022
CVE-2022-2586 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-doc to version 0:4.18.0-425.3.1.el8 or higher.
This issue was patched in RHSA-2022:7683.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-doc package and not the kernel-doc package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.
References
- https://access.redhat.com/security/cve/CVE-2022-2586
- https://access.redhat.com/errata/RHSA-2022:7683
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586
- https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t
- https://ubuntu.com/security/notices/USN-5557-1
- https://ubuntu.com/security/notices/USN-5560-1
- https://ubuntu.com/security/notices/USN-5560-2
- https://ubuntu.com/security/notices/USN-5562-1
- https://ubuntu.com/security/notices/USN-5564-1
- https://ubuntu.com/security/notices/USN-5565-1
- https://ubuntu.com/security/notices/USN-5566-1
- https://ubuntu.com/security/notices/USN-5567-1
- https://ubuntu.com/security/notices/USN-5582-1
- https://www.openwall.com/lists/oss-security/2022/08/09/5
- https://www.zerodayinitiative.com/advisories/ZDI-22-1118/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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