Review reviewHigh

CVE-2024-50055

Linux Linux, debian linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: driver core: bus: Fix double free in driver API bus_register() For bus_register(), any error which happens after kset_register() will cause that @priv are freed twice, fixed by setting @priv with NULL after the first free.

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.10.22
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: driver core: bus: Fix double free in driver API bus_register() For bus_register(), any error which happens after kset_register() will cause that @priv are freed twice, fixed by setting @priv with NULL after the first free.

Affected product and versions

Product
Linux Linux, debian linux, linux kernel
Affected versions
>= 3465e2e4a24eef9bc9f21aa29d83fd7000c1da48 < d885c464c25018b81a6b58f5d548fc2e3ef87dd1, >= 3465e2e4a24eef9bc9f21aa29d83fd7000c1da48 < 9ce15f68abedfae7ae0a35e95895aeddfd0f0c6a, >= 3465e2e4a24eef9bc9f21aa29d83fd7000c1da48 < bfa54a793ba77ef696755b66f3ac4ed00c7d1248, >= 6.3, 11.0, < 5.4.291, >= 5.5 < 5.10.231, >= 5.11 < 5.15.174, >= 5.16 < 6.1.120, >= 6.2 < 6.6.57, >= 6.7 < 6.11.4
Fixed versions
5.4.291, 5.10.231, 5.15.174, 6.1.120, 6.6.57, 6.11.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, debian 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
CWE-415
CVE-2024-50055 — Linux Linux, debian linux, linux kernel | SECUFOCUS NOW