CVE-2026-68107
CVE-2026-68107: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-68107] avoid rereading IB param length
CVE-2026-68107Source published Source updated
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) Specifically, within the `drm/amdgpu/vcn4` component, a time-of-check to time-of-use (TOCTOU) vulnerability exists. This occurs because the system re-reads the IB parameter length instead of reusing an already obtained value. This could allow a local attacker to potentially manipulate the IB contents between reads, leading to unexpected behavior or a denial of service. This issue affects AMDGPU systems using VCN 4 video…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
3 more entries in the full advisory.
- 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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