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TI-2024-30056 Aliases CVE-2024-44940GHSA-3mqr-vvf3-23jj

fou: remove warn in gue_gro_receive on unsupported protocol

Priority LOW 35Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

In the Linux kernel, the following vulnerability has been resolved: fou: remove warn in gue_gro_receive on unsupported protocol Drop the WARN_ON_ONCE inn gue_gro_receive if the encapsulated type is not known or does not have a GRO handler. Such a packet is easily constructed. Syzbot generates them and sets off this warning. Remove the warning as it is expected and not actionable. The warning was previously reduced from WARN_ON to WARN_ON_ONCE in commit 270136613bf7 ("fou: Do WARN_ON_ONCE in gue_gro_receive for bad proto callbacks").

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00753 55th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.10.234, 5.15.174, 6.1.107 +3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux3.18 and later5.10.234, 5.15.174, 6.1.107, 6.6.47, 6.10.6, 6.11Patch availableCNA
  • Linux VendorLinux Affected 3.18 and later Fixed in 5.10.234, 5.15.174, 6.1.107, 6.6.47, 6.10.6, 6.11 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*3.18 to before 5.10.234; 5.11 to before 5.15.174; 5.16 to before 6.1.107; 6.2 to before 6.6.47; 6.7 to before 6.10.6VulnerableLinux
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.18 to before 5.10.234; 5.11 to before 5.15.174; 5.16 to before 6.1.107; 6.2 to before 6.6.47; 6.7 to before 6.10.6 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.10.234, 5.15.174, 6.1.107, 6.6.47, 6.10.6, 6.11

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-44940
  2. 2026-10-03 Alias added: GHSA-3mqr-vvf3-23jj

References

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources