CVE-2024-42281

bpf: Fix a segment issue when downgrading gso_size

MEDIUM
5.5
CVSS Score
Published: August 17, 2024 at 09:08 AM UTC
Updated: October 15, 2026 at 01:18 AM UTC
2 products affected across 2 vendorsLinux KernelSIMATIC S7-1500 TM MFP

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a segment issue when downgrading gso_size Linearize the skb when downgrading gso_size because it may trigger a BUG_ON() later when the skb is segmented as described in [1,2].

Affected

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

4.13 ≤ v < 5.4.2825.11 ≤ v < 5.15.1655.16 ≤ v < 6.1.1035.5 ≤ v < 5.10.2246.2 ≤ v < 6.6.446.7 ≤ v < 6.10.32be7e212d5419a400d051c84ca9fdd083e5aacac4.13
Vendor states this is fixed in 11ec79f5c7f74261874744039bc1551023edd6b2 (fixed)
Vendor states this is fixed in a689f5eb13a90f892a088865478b3cd39f53d5dc (fixed)
Vendor states this is fixed in c3496314c53e7e82ddb544c825defc3e8c0e45cf (fixed)
Vendor states this is fixed in dda518dea60d556a2d171c0122ca7d9fdb7d473a (fixed)
Vendor states this is fixed in ec4eea14d75f7b0491194dd413f540dd19b8c733 (fixed)
Vendor states this is fixed in f6bb8c90cab97a3e03f8d30e3069efe6a742e0be (fixed)
Vendor states this is fixed in fa5ef655615a01533035c6139248c5b33aa27028 (fixed)
Vendor states this is fixed in 4.13 (unaffected)
Vendor states this is fixed in 5.10.224 (unaffected)
Vendor states this is fixed in 5.15.165 (unaffected)
Vendor states this is fixed in 5.4.282 (unaffected)
Vendor states this is fixed in 6.1.103 (unaffected)
Vendor states this is fixed in 6.10.3 (unaffected)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.6.44 (unaffected)

References (10)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/11ec79f5c7f74261874744039bc1551023edd6b2
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a689f5eb13a90f892a088865478b3cd39f53d5dc
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c3496314c53e7e82ddb544c825defc3e8c0e45cf
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/dda518dea60d556a2d171c0122ca7d9fdb7d473a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ec4eea14d75f7b0491194dd413f540dd19b8c733
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f6bb8c90cab97a3e03f8d30e3069efe6a742e0be
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fa5ef655615a01533035c6139248c5b33aa27028
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html

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

StatusMODIFIED
CWE
NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card