PT-2024-29870 · Linux+6 · Linux Kernel+6

Published

2024-07-15

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Updated

2026-05-26

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CVE-2024-42321

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.50
Description A vulnerability has been resolved in the Linux kernel, specifically in the net: flow dissector component. The issue is related to the use of DEBUG NET WARN ON ONCE to silence a splat given skb get hash() is used by the nftables tracing infrastructure to identify packets in traces. The vulnerability can be reproduced upstream as well as in -stable kernels.
Technical details about exploitation include:
  • The skb flow dissect() function is vulnerable.
  • The skb get hash() function is used by the nftables tracing infrastructure.
  • The nft trace init() function is involved in the call trace.
  • The nft do chain() function is also part of the call trace.
No information is provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-99

Related Identifiers

ALSA-2025_12746
ALSA-2025_12752
ALSA-2025_12753
ALSA-2025_16880
AZL-68357
BDU:2025-08032
CVE-2024-42321
DLA-4008-1
INFSA-2025_6966
MGASA-2024-0309
MGASA-2024-0310
OESA-2024-2124
OESA-2024-2292
OESA-2024-2293
OESA-2024-2295
RHSA-2025:6966
RHSA-2025_6966
USN-7154-1
USN-7154-2
USN-7155-1
USN-7156-1
USN-7196-1

Affected Products

Astra Linux
Debian
Linuxmint
Linux Kernel
Red Hat
Red Os
Ubuntu