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Message-ID: <2025030627-CVE-2024-58074-28c1@gregkh> Date: Thu, 6 Mar 2025 17:04:28 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-58074: drm/i915: Grab intel_display from the encoder to avoid potential oopsies Description =========== In the Linux kernel, the following vulnerability has been resolved: drm/i915: Grab intel_display from the encoder to avoid potential oopsies Grab the intel_display from 'encoder' rather than 'state' in the encoder hooks to avoid the massive footgun that is intel_sanitize_encoder(), which passes NULL as the 'state' argument to encoder .disable() and .post_disable(). TODO: figure out how to actually fix intel_sanitize_encoder()... The Linux kernel CVE team has assigned CVE-2024-58074 to this issue. Affected and fixed versions =========================== Issue introduced in 6.12 with commit ab0b0eb5c85c5961913bdb9b8011cc8f5c14978a and fixed in 6.13.2 with commit 1885401569f24eb35c631bcc4e6543360dbe9292 Issue introduced in 6.12 with commit ab0b0eb5c85c5961913bdb9b8011cc8f5c14978a and fixed in 6.14-rc1 with commit dc3806d9eb66d0105f8d55d462d4ef681d9eac59 Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2024-58074 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: drivers/gpu/drm/i915/display/intel_crt.c drivers/gpu/drm/i915/display/intel_tv.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/1885401569f24eb35c631bcc4e6543360dbe9292 https://git.kernel.org/stable/c/dc3806d9eb66d0105f8d55d462d4ef681d9eac59
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