CVE-2026-72244

Summary

In the Linux kernel, the following vulnerability has been resolved:

gpu/buddy: bail out of try_harder when alignment cannot be honoured

The try_harder contiguous fallback could return a range whose start offset did not match the caller's min_block_size. When a candidate's start is misaligned, realign it: free the misaligned run and reallocate exactly @size at the next lower min_block_size boundary. This keeps the returned size unchanged with no surplus to trim, and rejects the request only when no aligned candidate fits.

v2: align misaligned candidates down to min_block_size instead of bailing out, for both the RHS and LHS paths (Matthew).

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0a1844bf0b532d84324453374ad6845f64066c28 < 4289531106ee175a6eb45db7d4f2734d1dae9887affected
LinuxLinux0a1844bf0b532d84324453374ad6845f64066c28 < 7185c5262435b93e5eeffa647008992256b9c51aaffected
LinuxLinux0a1844bf0b532d84324453374ad6845f64066c28 < 419d7d9306491f3e0e417cf794844c73cabee090affected
LinuxLinux0a1844bf0b532d84324453374ad6845f64066c28 < 56bc6384314fb9ae98975fb2af8b143097ede3dcaffected
LinuxLinux6.7affected
LinuxLinux0 < 6.7unaffected
LinuxLinux6.12.101 <= 6.12.*unaffected
LinuxLinux6.18.42 <= 6.18.*unaffected
LinuxLinux7.1.5 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References