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TI-2022-24173 Aliases CVE-2022-48641GHSA-h445-49j7-8jw7

netfilter: ebtables: fix memory leak when blob is malformed

Priority LOW 24CWE-401Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 4 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-401.

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix memory leak when blob is malformed The bug fix was incomplete, it "replaced" crash with a memory leak. The old code had an assignment to "ret" embedded into the conditional, restore this.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00238 14th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.14.295, 4.19.260, 5.4.215 +3Red Hat: 4 without a fix

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
LinuxLinux4.14.292 to before 4.14.295; 4.19.257 to before 4.19.260; 5.4.212 to before 5.4.215; 5.10.140 to before 5.10.146; 5.15.64 to before 5.15.71; 5.19.6 to before 5.19.124.14.295, 4.19.260, 5.4.215, 5.10.146, 5.15.71, 5.19.12Patch availableCNA
  • Linux VendorLinux Affected 4.14.292 to before 4.14.295; 4.19.257 to before 4.19.260; 5.4.212 to before 5.4.215; 5.10.140 to before 5.10.146; 5.15.64 to before 5.15.71; 5.19.6 to before 5.19.12 Fixed in 4.14.295, 4.19.260, 5.4.215, 5.10.146, 5.15.71, 5.19.12 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*4.14.292 to before 4.14.295; 4.19.257 to before 4.19.260; 5.4.212 to before 5.4.215; 5.10.140 to before 5.10.146; 5.15.64 to before 5.15.71; 5.19.6 to before 5.19.12VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.14.292 to before 4.14.295; 4.19.257 to before 4.19.260; 5.4.212 to before 5.4.215; 5.10.140 to before 5.10.146; 5.15.64 to before 5.15.71; 5.19.6 to before 5.19.12 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 4.14.295, 4.19.260, 5.4.215, 5.10.146, 5.15.71, 5.19.12

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix yet
Red Hat Enterprise Linux 9AffectedNo fix yet

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-48641
  2. 2026-10-03 Alias added: GHSA-h445-49j7-8jw7

References

Patch 7

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences