CVE-2026-68107

Summary

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

drm/amdgpu/vcn4: avoid rereading IB param length

Reuse the parameter length returned by vcn_v4_0_enc_find_ib_param() instead of rereading it from the IB.

This avoids a potential TOCTOU issue if the IB contents change between reads.

(cherry picked from commit dbb02b4755f8c1f3773263f2d779872c1c0c073a)

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bbbe6a2a8d8dc87243438d3ffea2083b52d882d9affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ff6aa542d91d76a185f69bd1997b94a560ff5f6baffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bd868c077f67589ed2a714307ceaade5f246e302affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c309626bf91fa0a0b583575654e6e14e81f818a3affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3b4082fabc67c9780b06eb959e59dd92fa79c0f0affected
LinuxLinux0 < 6.6.148affected
LinuxLinux0 < 6.12.101affected
LinuxLinux0 < 6.18.42affected
LinuxLinux0 < 7.1.6affected
LinuxLinux6.6.148 <= 6.6.*unaffected
LinuxLinux6.12.101 <= 6.12.*unaffected
LinuxLinux6.18.42 <= 6.18.*unaffected
LinuxLinux7.1.6 <= 7.1.*unaffected
LinuxLinux7.2-rc2 <= *unaffected

Weaknesses

References