7.8

CVE-2022-49635

drm/i915/selftests: fix subtraction overflow bug

In the Linux kernel, the following vulnerability has been resolved:

drm/i915/selftests: fix subtraction overflow bug

On some machines hole_end can be small enough to cause subtraction
overflow. On the other side (addr + 2 * min_alignment) can overflow
in case of mock tests. This patch should handle both cases.

(cherry picked from commit ab3edc679c552a466e4bf0b11af3666008bd65a2)
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.12 < 5.18.13
Linux ≫ Linux Kernel Version5.19 Updaterc1
Linux ≫ Linux Kernel Version5.19 Updaterc2
Linux ≫ Linux Kernel Version5.19 Updaterc3
Linux ≫ Linux Kernel Version5.19 Updaterc4
Linux ≫ Linux Kernel Version5.19 Updaterc5
Linux ≫ Linux Kernel Version5.19 Updaterc6
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.26% 0.178
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://git.kernel.org/stable/c/333991c4e66b3d4b5613315f18016da80344f659
Patch
https://git.kernel.org/stable/c/e8997d2d6b8d764e12489f1af2a1ce1d7384ca2a
Patch