CVE-2026-72458
CVE-2026-72458: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-72458] fix NULL pointer dereference in unpack_pdb
CVE-2026-72458Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL pointer dereference in unpack_pdb pdb->dfa could be NULL if unpack_dfa fails, causing a NULL pointer dereference. A flaw was found in the Linux kernel's Apparmor security module. This vulnerability occurs in the `unpack_pdb` function, where it does not correctly handle a null pointer if a preceding operation, `unpack_dfa`, fails. This oversight can lead to a NULL pointer dereference, which typically results in a system crash and a Denial of Service (DoS) for the affected system. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-476. Red Hat lists Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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