CVE-2021-47490

drm/ttm: fix memleak in ttm_transfered_destroy

MEDIUM

5.5

CVSS Score

Published: May 22, 2024 at 08:19 AM UTC

Updated: June 17, 2026 at 04:17 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: fix memleak in ttm_transfered_destroy We need to cleanup the fences for ghost objects as well. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214029 Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214447

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

v < 5.4.1575.11 ≤ v < 5.14.165.14 ≤ v < 5.14.165.14 ≤ v < 5.155.5 ≤ v < 5.10.775.15 rc1 5.15 rc2 5.15 rc3 5.15 rc4 5.15 rc5 5.15 rc6 5.15 rc7d02117f8efaa5fbc37437df1ae955a147a2a424a

Vendor states this is fixed in 0db55f9a1bafbe3dac750ea669de9134922389b5 (fixed)

Vendor states this is fixed in 132a3d998d6753047f22152731fba2b0d6b463dd (fixed)

Affected range stops below 5.10.77, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 5.14 (unaffected)

Vendor states this is fixed in 5.14.16 (unaffected)

Vendor states this is fixed in 5.15 (unaffected)

Affected range stops below 5.4.157, so it looks safe — our inference, not a vendor statement