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Message-ID: <2024102114-CVE-2024-47754-a412@gregkh> Date: Mon, 21 Oct 2024 14:16:33 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-47754: media: mediatek: vcodec: Fix H264 multi stateless decoder smatch warning Description =========== In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Fix H264 multi stateless decoder smatch warning Fix a smatch static checker warning on vdec_h264_req_multi_if.c. Which leads to a kernel crash when fb is NULL. The Linux kernel CVE team has assigned CVE-2024-47754 to this issue. Affected and fixed versions =========================== Issue introduced in 5.19 with commit 397edc703a10 and fixed in 6.6.54 with commit 588bcce9e64c Issue introduced in 5.19 with commit 397edc703a10 and fixed in 6.10.13 with commit 47b3b9793091 Issue introduced in 5.19 with commit 397edc703a10 and fixed in 6.11.2 with commit 301f77782631 Issue introduced in 5.19 with commit 397edc703a10 and fixed in 6.12-rc1 with commit 9be85491619f 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-2024-47754 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/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.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/588bcce9e64cc5138858ab562268eb3943c5b06c https://git.kernel.org/stable/c/47b3b97930913ca74a595cc12bdbb650259afc6e https://git.kernel.org/stable/c/301f7778263116388c20521a1a641067647ab31c https://git.kernel.org/stable/c/9be85491619f1953b8a29590ca630be571941ffa
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