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Date: Sun, 25 Feb 2024 09:16:47 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2023-52470: drm/radeon: check the alloc_workqueue return value in radeon_crtc_init() Description =========== In the Linux kernel, the following vulnerability has been resolved: drm/radeon: check the alloc_workqueue return value in radeon_crtc_init() check the alloc_workqueue return value in radeon_crtc_init() to avoid null-ptr-deref. The Linux kernel CVE team has assigned CVE-2023-52470 to this issue. Affected and fixed versions =========================== Issue introduced in 3.16 with commit fa7f517cb26e and fixed in 4.19.306 with commit 21b164566071 Issue introduced in 3.16 with commit fa7f517cb26e and fixed in 5.4.268 with commit 5d12c5d75f7c Issue introduced in 3.16 with commit fa7f517cb26e and fixed in 5.10.209 with commit 57ca7984806d Issue introduced in 3.16 with commit fa7f517cb26e and fixed in 5.15.148 with commit 14bbfaa5df27 Issue introduced in 3.16 with commit fa7f517cb26e and fixed in 6.1.75 with commit c4ff55408187 Issue introduced in 3.16 with commit fa7f517cb26e and fixed in 6.6.14 with commit 0b813a6a0087 Issue introduced in 3.16 with commit fa7f517cb26e and fixed in 6.7.2 with commit fb2d8bc9b5e5 Issue introduced in 3.16 with commit fa7f517cb26e and fixed in 6.8-rc1 with commit 7a2464fac80d Please see https://www.kernel.org or 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-2023-52470 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/radeon/radeon_display.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/21b1645660717d6126dd4866c850fcc5c4703a41 https://git.kernel.org/stable/c/5d12c5d75f7c78b83a738025947651ec5c95b4d4 https://git.kernel.org/stable/c/57ca7984806d79b38af528de88fd803babf27feb https://git.kernel.org/stable/c/14bbfaa5df273b26cde6707f6e655585700e6fe1 https://git.kernel.org/stable/c/c4ff55408187f2595066967047363ca84e76db85 https://git.kernel.org/stable/c/0b813a6a0087451cb702b6eb841f10856f49d088 https://git.kernel.org/stable/c/fb2d8bc9b5e55848b8a7c3c028e2ee8d49f28f97 https://git.kernel.org/stable/c/7a2464fac80d42f6f8819fed97a553e9c2f43310
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