CVE-2024-50055

driver core: bus: Fix double free in driver API bus_register()

HIGH
7.8
CVSS Score
Published: October 21, 2024 at 07:39 PM UTC
Updated: August 5, 2026 at 12:05 PM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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

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

v < 5.4.2915.11 ≤ v < 5.15.1745.16 ≤ v < 6.1.1205.5 ≤ v < 5.10.2316.2 ≤ v < 6.6.576.3 ≤ v < 6.11.46.3 ≤ v < 6.126.3 ≤ v < 6.6.576.7 ≤ v < 6.11.43465e2e4a24eef9bc9f21aa29d83fd7000c1da486.3
Vendor states this is fixed in 9ce15f68abedfae7ae0a35e95895aeddfd0f0c6a (fixed)
Vendor states this is fixed in bfa54a793ba77ef696755b66f3ac4ed00c7d1248 (fixed)
Vendor states this is fixed in d885c464c25018b81a6b58f5d548fc2e3ef87dd1 (fixed)
Affected range stops below 5.10.231, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.174, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.291, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.120, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 6.11.4 (unaffected)
Vendor states this is fixed in 6.12 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.6.57 (unaffected)

References (9)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9ce15f68abedfae7ae0a35e95895aeddfd0f0c6a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bfa54a793ba77ef696755b66f3ac4ed00c7d1248
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d885c464c25018b81a6b58f5d548fc2e3ef87dd1
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-415

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