MEDIUM 5.5 Microsoft
CVE-2026-22991
libceph: make free_choose_arg_map() resilient to partial allocation
Microsoft Security Update 2026-Jan: libceph: make free_choose_arg_map() resilient to partial allocation
Affected Products
- cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-22991
- https://nvd.nist.gov/vuln/detail/CVE-2026-22991
This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-01-13 via Microsoft. Affected: cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0.
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