CVE-2026-80524
optee: ffa: Add NULL check in optee_ffa_lend_protmem
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.18.57, 7.1.10
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf · fixed in 0977a6f23439616701282fc4cb38eca40f36fec6; From 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf · fixed in 94bf4fe0e46349c4e73df66dcda073187bc90cc1; From 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf · fixed in 650c88738ae8976f46ba71b24dd8aa311adc6fde
- Linux Linux
6.18
- KernelLinux
From 6.18.0 · fixed in 6.18.57; From 6.19.0 · fixed in 7.1.10