CVE-2026-80524
CVE-2026-80524: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-80524] Add NULL check in optee_ffa_lend_protmem
CVE-2026-80524Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: optee: ffa: Add NULL check in optee_ffa_lend_protmem Sashiko (locally) reports a possible null dereference under memory pressure due to the lack of validation of the allocated pointer. Fix that by adding the missing check. A flaw was found in the Linux kernel's OP-TEE (Open Portable Trusted Execution Environment) Fast Fault-tolerant Architecture (FFA) component. A local attacker could exploit a missing null check when allocating protected memory. Under specific memory pressure conditions, this could lead to a null pointer dereference, potentially causing a system crash and a denial of service. 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…
- Affected products in this advisory
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- 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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