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TI-2023-28781 Aliases CVE-2023-52433GHSA-cmph-x6r4-4whr

netfilter: nft_set_rbtree: skip sync GC for new elements in this transaction

Priority LOW 34CWE-273Published · 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 · CNA. Fix status from CNA.

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: skip sync GC for new elements in this transaction New elements in this transaction might expired before such transaction ends. Skip sync GC for such elements otherwise commit path might walk over an already released object. Once transaction is finished, async GC will collect such expired element.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00264 18th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 6.5, 6.5.4, 6.6

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
LinuxLinux6.4.11 to before 6.56.5Patch availableCNA
LinuxLinux6.5 and later6.5.4, 6.6Patch availableCNA
  • Linux VendorLinux Affected 6.4.11 to before 6.5 Fixed in 6.5 Patch available CNA
  • Linux VendorLinux Affected 6.5 and later Fixed in 6.5.4, 6.6 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:netapp:ontap_tools:9:*:*:*:*:vmware_vsphere:*:*9VulnerableNetApp
cpe:2.3:a:netapp:ontap_tools:10:*:*:*:*:vmware_vsphere:*:*10VulnerableNetApp
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*6.5 to before 6.5.4VulnerableLinux
  • cpe:2.3:a:netapp:ontap_tools:9:*:*:*:*:vmware_vsphere:*:* Versions 9 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:ontap_tools:10:*:*:*:*:vmware_vsphere:*:* Versions 10 Vulnerable ·NetApp
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 6.5 to before 6.5.4 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 6.5
  • Fix · CNA Linux (Linux) Fixed in 6.5.4, 6.6

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-2023-52433
  2. 2026-10-03 Alias added: GHSA-cmph-x6r4-4whr

References

Patch 7

Advisory 1

  • 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