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TI-2026-63171 Aliases CVE-2026-93817GHSA-r45r-rr2w-7hc6

perf: Fix addr_filter_ranges lifetime

Priority LOW 33Published · 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
Partial Red Hat: 17 fixed, 5 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

In the Linux kernel, the following vulnerability has been resolved: perf: Fix addr_filter_ranges lifetime Lee Jia Jie reported that since event::addr_filter_ranges is used under RCU, it should be RCU freed.

Why it matters now

EPSS 0.00129 2nd percentileScored 2026-11-07
Fix Partial Linux (Linux): 6.1.191, 6.6.160, 6.12.111 +2Red Hat: 5 advisoriesRed Hat: 17 fixed, 5 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux4.7 and later6.1.191, 6.6.160, 6.12.111, 6.18.53, 7.2Patch availableCNA
  • Linux VendorLinux Affected 4.7 and later Fixed in 6.1.191, 6.6.160, 6.12.111, 6.18.53, 7.2 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*——Linux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions — — ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 6.1.191, 6.6.160, 6.12.111, 6.18.53, 7.2

Red Hat 5 advisories

  • RHSA-2026:89197 Released 2026-10-27 · Red Hat rating Critical
    OpenShift Container Platform 4.22.20 bug fix and security update
    • Red Hat OpenShift Container Platform 4.22 rhcos-aarch64-4.22.9.8.202610241758-0, rhcos-ppc64le-4.22.9.8.202610241758-0, rhcos-s390x-4.22.9.8.202610241758-0 +1
  • RHSA-2026:88477 Released 2026-10-23 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • 10Base-SMTV kernel-modules-internal-6.12.0-211.68.1.el10_2
    • Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-211.68.1.el10_2, kernel-64k-debug-devel-matched-6.12.0-211.68.1.el10_2, kernel-64k-devel-6.12.0-211.68.1.el10_2 +12
    • Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-211.68.1.el10_2, kernel-64k-6.12.0-211.68.1.el10_2, kernel-64k-core-6.12.0-211.68.1.el10_2 +29
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-211.68.1.el10_2, libperf-6.12.0-211.68.1.el10_2
    • Red Hat Enterprise Linux Hidden (v. 10) kernel-modules-internal-6.12.0-211.68.1.el10_2
    • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-211.68.1.el10_2, kernel-rt-64k-6.12.0-211.68.1.el10_2, kernel-rt-64k-core-6.12.0-211.68.1.el10_2 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-211.68.1.el10_2, kernel-rt-core-6.12.0-211.68.1.el10_2, kernel-rt-debug-6.12.0-211.68.1.el10_2 +9
  • RHSA-2026:86033 Released 2026-10-20 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-687.59.1.el9_8, kernel-64k-debug-devel-matched-5.14.0-687.59.1.el9_8, kernel-64k-devel-5.14.0-687.59.1.el9_8 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-687.59.1.el9_8, kernel-64k-5.14.0-687.59.1.el9_8, kernel-64k-core-5.14.0-687.59.1.el9_8 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-687.59.1.el9_8, libperf-5.14.0-687.59.1.el9_8
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-687.59.1.el9_8, kernel-rt-64k-5.14.0-687.59.1.el9_8, kernel-rt-64k-core-5.14.0-687.59.1.el9_8 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-687.59.1.el9_8, kernel-rt-core-5.14.0-687.59.1.el9_8, kernel-rt-debug-5.14.0-687.59.1.el9_8 +9
Show 2 more Red Hat advisories
  • RHSA-2026:85773 Released 2026-10-20 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.176.1.el8_10, kernel-4.18.0-553.176.1.el8_10, kernel-abi-stablelists-4.18.0-553.176.1.el8_10 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.176.1.el8_10
  • RHSA-2026:85774 Released 2026-10-20 · Red Hat rating Important
    kernel-rt security, bug fix, and enhancement update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.176.1.rt7.517.el8_10, kernel-rt-core-4.18.0-553.176.1.rt7.517.el8_10, kernel-rt-debug-4.18.0-553.176.1.rt7.517.el8_10 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.176.1.rt7.517.el8_10, kernel-rt-core-4.18.0-553.176.1.rt7.517.el8_10, kernel-rt-debug-4.18.0-553.176.1.rt7.517.el8_10 +7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix yet
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat OpenShift Container Platform 4AffectedNo fix yet
Red Hat OpenShift Container Platform 5AffectedNo fix yet
10Base-SMTVFixed RHSA-2026:88477
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:88477
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:86033
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:88477
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2026:85773
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2026:86033
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:85773
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:88477
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:86033
Red Hat Enterprise Linux Hidden (v. 10)Fixed RHSA-2026:88477
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2026:85774
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2026:85774
Red Hat Enterprise Linux Real Time (v. 10)Fixed RHSA-2026:88477
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2026:86033
Red Hat Enterprise Linux Real Time for NFV (v. 10)Fixed RHSA-2026:88477
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2026:86033
Red Hat OpenShift Container Platform 4.22Fixed RHSA-2026:89197

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-93817
  2. 2026-10-03 Alias added: GHSA-r45r-rr2w-7hc6
  3. 2026-10-05 Affected versions changed · Red Hat
  4. 2026-10-05 CVSS score changed · Red Hat
  5. 2026-10-20 Fix available: RHSA-2026:85773 · Red Hat
  6. 2026-10-20 Fix available: RHSA-2026:85774 · Red Hat
  7. 2026-10-20 Fix available: Red Hat Enterprise Linux BaseOS (v. 8), Red Hat Enterprise Linux CRB (v. 8), Red Hat Enterprise Linux NFV (v. 8) +1 · Red Hat
  8. 2026-10-21 Fix available: RHSA-2026:86033 · Red Hat
  9. 2026-10-21 Fix available: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) +2 · Red Hat
  10. 2026-10-21 Fix available: Linux/Linux@1d8e1e99b063de4179cc8af14d08115d74a37abf, Linux/[email protected] · CNA
  11. 2026-10-21 1 new reference · CNA
  12. 2026-10-23 Fix available: RHSA-2026:88477 · Red Hat
  13. 2026-10-23 Fix available: 10Base-SMTV, Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10) +4 · Red Hat
  14. 2026-10-28 Fix available: Red Hat OpenShift Container Platform 4.22 · Red Hat
  15. 2026-10-29 Fix available: RHSA-2026:89197 · Red Hat
  16. 2026-10-30 Affected versions changed · Red Hat
  17. 2026-10-30 Fix available: Linux/[email protected], Linux/Linux@a0b1ec3a2daf4d4233fae9b5b8d657b4a5db4df6 · CNA
  18. 2026-10-30 1 new reference · CNA

References

Other 5

  • 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-2021-02452 Incorrect authorization in Ubuntu linux kernel 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
See all 21741 →

Sources

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