Review reviewHigh

CVE-2023-52461

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix bounds limiting when given a malformed entity If we're given a malformed entity in drm_sched_entity_init()--shouldn't happen, but we verify--with out-of-bounds priority value, we set it to an allowed value. Fix the expression which sets this limit.

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.02.24
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix bounds limiting when given a malformed entity If we're given a malformed entity in drm_sched_entity_init()--shouldn't happen, but we verify--with out-of-bounds priority value, we set it to an allowed value. Fix the expression which sets this limit.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 56e449603f0ac580700621a356d35d5716a62ce5 < 1470d173925d697b497656b93f7c5bddae2e64b2, >= 56e449603f0ac580700621a356d35d5716a62ce5 < 2bbe6ab2be53858507f11f99f856846d04765ae3, >= 6.7, >= 6.7 < 6.7.2
Fixed versions
6.7.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available