CVE-2022-48955

net: thunderbolt: fix memory leak in tbnet_open()

MEDIUM
5.5
CVSS Score
Published: October 21, 2024 at 08:05 PM UTC
Updated: June 17, 2026 at 05:16 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: net: thunderbolt: fix memory leak in tbnet_open() When tb_ring_alloc_rx() failed in tbnet_open(), ida that allocated in tb_xdomain_alloc_out_hopid() is not released. Add tb_xdomain_release_out_hopid() to the error path to release ida.

Affected

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

5.13 ≤ v < 5.15.835.13 ≤ v < 6.0.135.13 ≤ v < 6.15.16 ≤ v < 6.0.13180b0689425c6fb2b35e69a3316ee38371a782df6.1 rc16.1 rc26.1 rc36.1 rc46.1 rc56.1 rc66.1 rc76.1 rc8
Vendor states this is fixed in b9274dbe399952a8175db2e1ee148b7c9ba2b538 (fixed)
Vendor states this is fixed in ed14e5903638f6eb868e3e2b4e610985e6a6c876 (fixed)
Vendor states this is fixed in ed6e955f3b7e0e622c080f4bcb5427a5e1af4c2a (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 5.15.83 (unaffected)
Vendor states this is fixed in 6.0.13 (unaffected)
Vendor states this is fixed in 6.1 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b9274dbe399952a8175db2e1ee148b7c9ba2b538
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ed14e5903638f6eb868e3e2b4e610985e6a6c876
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ed6e955f3b7e0e622c080f4bcb5427a5e1af4c2a

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

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