CVE-2022-49629

nexthop: Fix data-races around nexthop_compat_mode.

MEDIUM
4.7
CVSS Score
Published: February 26, 2025 at 02:23 AM UTC
Updated: June 17, 2026 at 05:18 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: nexthop: Fix data-races around nexthop_compat_mode. While reading nexthop_compat_mode, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.

Affected

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

5.11 ≤ v < 5.15.565.16 ≤ v < 5.18.135.8 ≤ v < 5.10.1325.8 ≤ v < 5.15.565.8 ≤ v < 5.18.135.8 ≤ v < 5.194f80116d3df3b23ee4b83ea8557629e1799bc2305.19 rc15.19 rc25.19 rc35.19 rc45.19 rc55.19 rc6
Vendor states this is fixed in 0d17723afea3ae8c9f245c9bbd2ba5945b77e812 (fixed)
Vendor states this is fixed in a51040d4b120f3520df64fb0b9c63b31d69bea9b (fixed)
Vendor states this is fixed in ae3054f6fbccc90f14ecd6cf9b2c09a2401c64fd (fixed)
Vendor states this is fixed in bdf00bf24bef9be1ca641a6390fd5487873e0d2e (fixed)
Vendor states this is fixed in 5.10.132 (unaffected)
Vendor states this is fixed in 5.15.56 (unaffected)
Vendor states this is fixed in 5.18.13 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)
Vendor states this is fixed in 5.8 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0d17723afea3ae8c9f245c9bbd2ba5945b77e812
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a51040d4b120f3520df64fb0b9c63b31d69bea9b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ae3054f6fbccc90f14ecd6cf9b2c09a2401c64fd
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bdf00bf24bef9be1ca641a6390fd5487873e0d2e

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

4.7MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-362

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