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Message-ID: <2024111931-CVE-2024-53060-3b94@gregkh> Date: Tue, 19 Nov 2024 18:22:31 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-53060: drm/amdgpu: prevent NULL pointer dereference if ATIF is not supported Description =========== In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: prevent NULL pointer dereference if ATIF is not supported acpi_evaluate_object() may return AE_NOT_FOUND (failure), which would result in dereferencing buffer.pointer (obj) while being NULL. Although this case may be unrealistic for the current code, it is still better to protect against possible bugs. Bail out also when status is AE_NOT_FOUND. This fixes 1 FORWARD_NULL issue reported by Coverity Report: CID 1600951: Null pointer dereferences (FORWARD_NULL) (cherry picked from commit 91c9e221fe2553edf2db71627d8453f083de87a1) The Linux kernel CVE team has assigned CVE-2024-53060 to this issue. Affected and fixed versions =========================== Fixed in 4.19.324 with commit ce8a00a00e36 Fixed in 5.4.286 with commit 8d7a28eca755 Fixed in 5.10.230 with commit 2ac7f253dead Fixed in 5.15.172 with commit 27fc29b53769 Fixed in 6.1.117 with commit 1a9f55ed5b51 Fixed in 6.6.61 with commit a613a3924175 Fixed in 6.11.8 with commit b9d9881237af Fixed in 6.12 with commit a6dd15981c03 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-2024-53060 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/amd/amdgpu/amdgpu_acpi.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/ce8a00a00e36f61f5a1e47734332420b68784c43 https://git.kernel.org/stable/c/8d7a28eca7553d35d4ce192fa1f390f2357df41b https://git.kernel.org/stable/c/2ac7f253deada4d449559b65a1c1cd0a6f6f19b7 https://git.kernel.org/stable/c/27fc29b5376998c126c85cf9b15d9dfc2afc9cbe https://git.kernel.org/stable/c/1a9f55ed5b512f510ccd21ad527d532e60550e80 https://git.kernel.org/stable/c/a613a392417532ca5aaf3deac6e3277aa7aaef2b https://git.kernel.org/stable/c/b9d9881237afeb52eddd70077b7174bf17e2fa30 https://git.kernel.org/stable/c/a6dd15981c03f2cdc9a351a278f09b5479d53d2e
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