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TI-2026-33874 Aliases CVE-2026-46150GHSA-97pw-xx9j-rg9j

fanotify: fix false positive on permission events

Priority LOW 32CWE-863Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Partial Red Hat: 41 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-863.

Summary

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotify_get_mark_safe() may return false for a mark on an unrelated group, which results in bypassing the permission check. Fix by skipping over detached marks that are not in the current group.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0013 2nd percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.258, 5.15.209, 6.1.175 +5Red Hat: 14 advisoriesRed Hat: 41 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux4.12 and later5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.88, 6.18.30, 7.0.7, 7.1Patch availableCNA
  • Linux VendorLinux Affected 4.12 and later Fixed in 5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.88, 6.18.30, 7.0.7, 7.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*4.12 to before 5.10.258; 5.11 to before 5.15.209; 5.16 to before 6.1.175; 6.2 to before 6.6.140; 6.7 to before 6.12.88; 6.13 to before 6.18.30; 6.19 to before 7.0.7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*7.1 rc1VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.12 to before 5.10.258; 5.11 to before 5.15.209; 5.16 to before 6.1.175; 6.2 to before 6.6.140; 6.7 to before 6.12.88; 6.13 to before 6.18.30; 6.19 to before 7.0.7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* Versions 7.1 rc1 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.88, 6.18.30, 7.0.7, 7.1

Red Hat 14 advisories

  • RHSA-2026:70482 Released 2026-09-23 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.193.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.193.1.el9_2, kernel-64k-devel-5.14.0-284.193.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool-7.0.0-284.193.1.el9_2, kernel-5.14.0-284.193.1.el9_2, kernel-64k-5.14.0-284.193.1.el9_2 +29
  • RHSA-2026:70483 Released 2026-09-23 · Red Hat rating Important
    kernel-rt security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt-5.14.0-284.193.1.rt14.478.el9_2, kernel-rt-core-5.14.0-284.193.1.rt14.478.el9_2, kernel-rt-debug-5.14.0-284.193.1.rt14.478.el9_2 +9
    • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt-5.14.0-284.193.1.rt14.478.el9_2, kernel-rt-core-5.14.0-284.193.1.rt14.478.el9_2, kernel-rt-debug-5.14.0-284.193.1.rt14.478.el9_2 +11
  • RHSA-2026:70290 Released 2026-09-22 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) bpftool-3.10.0-1160.162.1.el7, kernel-3.10.0-1160.162.1.el7, kernel-abi-whitelists-3.10.0-1160.162.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) kernel-debug-devel-3.10.0-1160.162.1.el7, kernel-tools-libs-devel-3.10.0-1160.162.1.el7
Show 11 more Red Hat advisories
  • RHSA-2026:70308 Released 2026-09-22 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux for Real Time (v. 7 ELS) kernel-rt-3.10.0-1160.162.1.rt56.1314.el7, kernel-rt-debug-3.10.0-1160.162.1.rt56.1314.el7, kernel-rt-debug-devel-3.10.0-1160.162.1.rt56.1314.el7 +4
  • RHSA-2026:69906 Released 2026-09-22 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.216.1.el8_6, kernel-4.18.0-372.216.1.el8_6, kernel-abi-stablelists-4.18.0-372.216.1.el8_6 +14
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6) bpftool-4.18.0-372.216.1.el8_6, kernel-4.18.0-372.216.1.el8_6, kernel-abi-stablelists-4.18.0-372.216.1.el8_6 +19
  • RHSA-2026:69874 Released 2026-09-22 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.208.1.el8_4, kernel-4.18.0-305.208.1.el8_4, kernel-abi-stablelists-4.18.0-305.208.1.el8_4 +14
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) bpftool-4.18.0-305.208.1.el8_4, kernel-4.18.0-305.208.1.el8_4, kernel-abi-stablelists-4.18.0-305.208.1.el8_4 +19
  • RHSA-2026:69837 Released 2026-09-22 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.168.1.el8_8, kernel-4.18.0-477.168.1.el8_8, kernel-abi-stablelists-4.18.0-477.168.1.el8_8 +14
    • Red Hat Enterprise Linux BaseOS TUS (v.8.8) bpftool-4.18.0-477.168.1.el8_8, kernel-4.18.0-477.168.1.el8_8, kernel-abi-stablelists-4.18.0-477.168.1.el8_8 +14
  • RHSA-2026:68100 Released 2026-09-16 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) kernel-64k-debug-devel-5.14.0-427.150.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.150.1.el9_4, kernel-64k-devel-5.14.0-427.150.1.el9_4 +11
    • Red Hat Enterprise Linux BaseOS E4S (v.9.4) bpftool-7.3.0-427.150.1.el9_4, kernel-5.14.0-427.150.1.el9_4, kernel-64k-5.14.0-427.150.1.el9_4 +29
    • Red Hat Enterprise Linux Real Time E4S (v.9.4) kernel-rt-5.14.0-427.150.1.el9_4, kernel-rt-core-5.14.0-427.150.1.el9_4, kernel-rt-debug-5.14.0-427.150.1.el9_4 +9
    • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4) kernel-rt-5.14.0-427.150.1.el9_4, kernel-rt-core-5.14.0-427.150.1.el9_4, kernel-rt-debug-5.14.0-427.150.1.el9_4 +11
  • RHSA-2026:67720 Released 2026-09-16 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.141.1.el9_6, libperf-5.14.0-570.141.1.el9_6
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.141.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.141.1.el9_6, kernel-64k-devel-5.14.0-570.141.1.el9_6 +12
    • Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.141.1.el9_6, kernel-64k-5.14.0-570.141.1.el9_6, kernel-64k-core-5.14.0-570.141.1.el9_6 +28
    • Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.141.1.el9_6, kernel-rt-64k-5.14.0-570.141.1.el9_6, kernel-rt-64k-core-5.14.0-570.141.1.el9_6 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.141.1.el9_6, kernel-rt-core-5.14.0-570.141.1.el9_6, kernel-rt-debug-5.14.0-570.141.1.el9_6 +11
  • RHSA-2026:62609 Released 2026-09-02 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.102.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.102.1.el10_0, kernel-64k-devel-6.12.0-55.102.1.el10_0 +12
    • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.102.1.el10_0, kernel-64k-6.12.0-55.102.1.el10_0, kernel-64k-core-6.12.0-55.102.1.el10_0 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.102.1.el10_0, libperf-6.12.0-55.102.1.el10_0
    • Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.102.1.el10_0, kernel-rt-64k-6.12.0-55.102.1.el10_0, kernel-rt-64k-core-6.12.0-55.102.1.el10_0 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.102.1.el10_0, kernel-rt-core-6.12.0-55.102.1.el10_0, kernel-rt-debug-6.12.0-55.102.1.el10_0 +11
  • RHSA-2026:49214 Released 2026-07-31 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.150.1.el8_10, kernel-4.18.0-553.150.1.el8_10, kernel-abi-stablelists-4.18.0-553.150.1.el8_10 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.150.1.el8_10
  • RHSA-2026:49213 Released 2026-07-31 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.150.1.rt7.491.el8_10, kernel-rt-core-4.18.0-553.150.1.rt7.491.el8_10, kernel-rt-debug-4.18.0-553.150.1.rt7.491.el8_10 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.150.1.rt7.491.el8_10, kernel-rt-core-4.18.0-553.150.1.rt7.491.el8_10, kernel-rt-debug-4.18.0-553.150.1.rt7.491.el8_10 +7
  • RHSA-2026:43307 Released 2026-07-22 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-687.29.1.el9_8, kernel-64k-debug-devel-matched-5.14.0-687.29.1.el9_8, kernel-64k-devel-5.14.0-687.29.1.el9_8 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-687.29.1.el9_8, kernel-64k-5.14.0-687.29.1.el9_8, kernel-64k-core-5.14.0-687.29.1.el9_8 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-687.29.1.el9_8, libperf-5.14.0-687.29.1.el9_8
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-687.29.1.el9_8, kernel-rt-64k-5.14.0-687.29.1.el9_8, kernel-rt-64k-core-5.14.0-687.29.1.el9_8 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-687.29.1.el9_8, kernel-rt-core-5.14.0-687.29.1.el9_8, kernel-rt-debug-5.14.0-687.29.1.el9_8 +9
  • RHSA-2026:42919 Released 2026-07-21 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-211.37.1.el10_2, kernel-64k-debug-devel-matched-6.12.0-211.37.1.el10_2, kernel-64k-devel-6.12.0-211.37.1.el10_2 +12
    • Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-211.37.1.el10_2, kernel-64k-6.12.0-211.37.1.el10_2, kernel-64k-core-6.12.0-211.37.1.el10_2 +29
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-211.37.1.el10_2, libperf-6.12.0-211.37.1.el10_2
    • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-211.37.1.el10_2, kernel-rt-64k-6.12.0-211.37.1.el10_2, kernel-rt-64k-core-6.12.0-211.37.1.el10_2 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-211.37.1.el10_2, kernel-rt-core-6.12.0-211.37.1.el10_2, kernel-rt-debug-6.12.0-211.37.1.el10_2 +9

Vendor assessments

Red Hat

Red Hat rating: Moderate. 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 9AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:67720
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:42919
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:43307
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:70482
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:68100
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:62609
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:67720
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:42919
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2026:49214
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2026:43307
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2026:69874
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2026:69906
Red Hat Enterprise Linux BaseOS E4S (v.8.8)Fixed RHSA-2026:69837
Red Hat Enterprise Linux BaseOS E4S (v.9.2)Fixed RHSA-2026:70482
Red Hat Enterprise Linux BaseOS E4S (v.9.4)Fixed RHSA-2026:68100
Red Hat Enterprise Linux BaseOS EUS (v. 10.0)Fixed RHSA-2026:62609
Red Hat Enterprise Linux BaseOS EUS (v.9.6)Fixed RHSA-2026:67720
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)Fixed RHSA-2026:69874
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)Fixed RHSA-2026:69906
Red Hat Enterprise Linux BaseOS TUS (v.8.8)Fixed RHSA-2026:69837
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:49214
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:42919
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:43307
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:62609
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2026:49213
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2026:49213
Red Hat Enterprise Linux Real Time (v. 10)Fixed RHSA-2026:42919
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2026:43307
Red Hat Enterprise Linux Real Time E4S (v.9.2)Fixed RHSA-2026:70483
Red Hat Enterprise Linux Real Time E4S (v.9.4)Fixed RHSA-2026:68100
Red Hat Enterprise Linux Real Time EUS (v. 10.0)Fixed RHSA-2026:62609
Red Hat Enterprise Linux Real Time EUS (v.9.6)Fixed RHSA-2026:67720
Red Hat Enterprise Linux Real Time for NFV (v. 10)Fixed RHSA-2026:42919
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2026:43307
Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)Fixed RHSA-2026:70483
Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4)Fixed RHSA-2026:68100
Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0)Fixed RHSA-2026:62609
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6)Fixed RHSA-2026:67720
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:70290
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2026:70290
Red Hat Enterprise Linux for Real Time (v. 7 ELS)Fixed RHSA-2026:70308

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-46150
  2. 2026-10-03 Alias added: GHSA-97pw-xx9j-rg9j
  3. 2026-10-16 CISA SSVC decision points changed
  4. 2026-10-19 Weakness changed · CISA ADP
  5. 2026-10-29 Affected versions changed · Red Hat

References

Patch 8

  • 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

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