CVE-2026-80912None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: selinux: reject an unclaimed class value in security_get_classes() security_get_classes() sizes an array by p_classes.nprim and fills it at value - 1, so a class value…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 14.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
0.2% → 0.2%
In the Linux kernel, the following vulnerability has been resolved:
selinux: reject an unclaimed class value in security_get_classes()
security_get_classes() sizes an array by p_classes.nprim and fills it at value - 1, so a class value the policy never defines leaves a NULL. sel_make_classes() passes every entry to sel_make_dir(), reaching the same d_alloc_name() dereference as the permission array. The class symbol table is allowed to be sparse (policydb_class_isvalid() exists to absorb that), but this getter builds its own array straight from the hash table and has no such predicate.
Fail the lookup when a value went unclaimed instead of handing out the NULL. Conforming policies define every class they declare and are unaffected.
Linux >= 55fcf09b3fe4325c9395ebbb0322a547a157ebc7 < d2e7f7035d6f407119ba5467f7218cc4370844fcLinux >= 55fcf09b3fe4325c9395ebbb0322a547a157ebc7 < f38a71868888285efc9c0ab5b032e23919c5a0a1Linux >= 55fcf09b3fe4325c9395ebbb0322a547a157ebc7 < 3480c081c23d559fd9a6921b76955664f2e95153Linux >= 55fcf09b3fe4325c9395ebbb0322a547a157ebc7 < e0285bb152211c00900136b66d4b420c14a59094Linux >= 55fcf09b3fe4325c9395ebbb0322a547a157ebc7 < 099869e9343a5f8c22b58497f074b34f63cbf856Linux >= 55fcf09b3fe4325c9395ebbb0322a547a157ebc7 < 841aea4d5a25e16273d04cd07a74142b4687e03bLinux >= 55fcf09b3fe4325c9395ebbb0322a547a157ebc7 < d8a10899ea3c84b80de72ca8ee9039e9a5156c9aLinux >= 55fcf09b3fe4325c9395ebbb0322a547a157ebc7 < 22b05fec62c0fe9864cfceb52f7d0f3a34d9b1ddLinux 2.6.23Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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