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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: avoid divide-by-zero in __is_lut_linear() __is_lut_linear() computes the expected value of each entry with expected = i * MAX_DRM_LUT_VALUE / (size - 1); If it is ever called with a single-entry LUT, size - 1 is zero and the kernel takes a divide error (#DE). A LUT with fewer than two entries cannot describe a linear mapping anyway, so return false early instead of dividing by zero.
Засегнати продукти
- Linux Linux: 086247a4b2fba49800b27807f22bb894cd8363fb преди 2320626425f3af3a25b8afb6876f205b1c6d4e64; 086247a4b2fba49800b27807f22bb894cd8363fb преди d1e06d5dc8f12451ce71dc068342660a34476084; 086247a4b2fba49800b27807f22bb894cd8363fb преди c127ace7af2b40107947a6504391f94d6fd21734; 086247a4b2fba49800b27807f22bb894cd8363fb преди 4d5ee095a58461b2446d7a6eb0c14c2fe3eaab44; 086247a4b2fba49800b27807f22bb894cd8363fb преди 5f18cd1ba873e751bf5547407ad44ea34adfbe2f; 086247a4b2fba49800b27807f22bb894cd8363fb преди ee28fafb50f58b847509b5240b431ddec673bdfe; 086247a4b2fba49800b27807f22bb894cd8363fb преди 15ee43aad0df43dfd1dbb32e7d5b951745c4b87f; 086247a4b2fba49800b27807f22bb894cd8363fb преди 4f40873f8a4107df2b9c8e68c947c4fd0cd519d2
- Linux Linux: 4.17; преди 4.17; 5.10.270 до 5.10.*; 5.15.221 до 5.15.*; 6.1.188 до 6.1.*; 6.6.157 до 6.6.*; 6.12.110 до 6.12.*; 6.18.51 до 6.18.*; 7.2.5 до 7.2.*; 7.3 до *
История
- 16 септември 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-89821
- https://nvd.nist.gov/vuln/detail/CVE-2026-89821
- https://git.kernel.org/stable/c/2320626425f3af3a25b8afb6876f205b1c6d4e64
- https://git.kernel.org/stable/c/d1e06d5dc8f12451ce71dc068342660a34476084
- https://git.kernel.org/stable/c/c127ace7af2b40107947a6504391f94d6fd21734
- https://git.kernel.org/stable/c/4d5ee095a58461b2446d7a6eb0c14c2fe3eaab44
- https://git.kernel.org/stable/c/5f18cd1ba873e751bf5547407ad44ea34adfbe2f
- https://git.kernel.org/stable/c/ee28fafb50f58b847509b5240b431ddec673bdfe
- https://git.kernel.org/stable/c/15ee43aad0df43dfd1dbb32e7d5b951745c4b87f
- https://git.kernel.org/stable/c/4f40873f8a4107df2b9c8e68c947c4fd0cd519d2