CVE-2022-48981

drm/shmem-helper: Remove errant put in error path

HIGH

7.8

CVSS Score

Published: October 21, 2024 at 08:05 PM UTC

Updated: August 5, 2026 at 09:24 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drm_gem_shmem_mmap() doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free.

Affected

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

Linux Kernel · Linux

95%

5.11 ≤ v < 5.15.835.16 ≤ v < 6.0.135.2 ≤ v < 5.10.1595.2 ≤ v < 5.15.835.2 ≤ v < 5.4.2275.2 ≤ v < 6.0.135.2 ≤ v < 6.15.5 ≤ v < 5.10.1592194a63a818db71065ebe09c8104f5f021ca4e7b6.1 rc1 6.1 rc2 6.1 rc3 6.1 rc4 6.1 rc5 6.1 rc6 6.1 rc7 6.1 rc8

Vendor states this is fixed in 24013314be6ee4ee456114a671e9fa3461323de8 (fixed)

Vendor states this is fixed in 585a07b820059462e0c93b76c7de2cd946b26b40 (fixed)

Vendor states this is fixed in 586847b98e20ab02212ca5c1fc46680384e68a28 (fixed)

Vendor states this is fixed in 6a4da05acd062ae7774b6b19cef2b7d922902d36 (fixed)

Vendor states this is fixed in 83e3da8bb92fcfa7a1d232cf55f9e6c49bb84942 (fixed)

Vendor states this is fixed in 5.10.159 (unaffected)

Vendor states this is fixed in 5.15.83 (unaffected)

Vendor states this is fixed in 5.2 (unaffected)

Vendor states this is fixed in 5.4.227 (unaffected)

Vendor states this is fixed in 6.0.13 (unaffected)

Vendor states this is fixed in 6.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references