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TI-2022-04011 Aliases CVE-2022-4379GHSA-4hpx-4mpp-gqwv

Use after free in Linux kernel

Priority MEDIUM 48CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.06633 93rd percentileScored 2026-11-07
Fix Fixed Red Hat: 6 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
—Linux kernelLinux kernel through v6.1-rc8—No fix listedCNA
  • Linux kernel Vendor— Affected Linux kernel through v6.1-rc8 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*5.6 to before 5.10.177; 5.11 to before 5.15.105; 5.16 to before 6.1.3VulnerableLinux
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*36VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*37VulnerableFedoraproject
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.6 to before 5.10.177; 5.11 to before 5.15.105; 5.16 to before 6.1.3 Vulnerable ·Linux
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject

Remediation

Red Hat 6 advisories

  • RHSA-2023:1435 Released 2023-03-23 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS EUS (v.9.0) kpatch-patch-5_14_0-70_22_1-1-6.el9_0, kpatch-patch-5_14_0-70_26_1-1-5.el9_0, kpatch-patch-5_14_0-70_30_1-1-3.el9_0 +2
  • RHSA-2023:1202 Released 2023-03-14 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-tools-libs-devel-5.14.0-70.49.1.el9_0
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) kernel-debug-devel-5.14.0-70.49.1.el9_0, kernel-debug-devel-matched-5.14.0-70.49.1.el9_0, kernel-devel-5.14.0-70.49.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS EUS (v.9.0) bpftool-5.14.0-70.49.1.el9_0, kernel-5.14.0-70.49.1.el9_0, kernel-abi-stablelists-5.14.0-70.49.1.el9_0 +14
  • RHSA-2023:1203 Released 2023-03-14 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt-5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-core-5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-debug-5.14.0-70.49.1.rt21.120.el9_0 +7
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt-5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-core-5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-debug-5.14.0-70.49.1.rt21.120.el9_0 +9
Show 3 more Red Hat advisories
  • RHSA-2023:1008 Released 2023-02-28 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS (v. 9) kpatch-patch-5_14_0-162_12_1-1-1.el9_1, kpatch-patch-5_14_0-162_6_1-1-2.el9_1
  • RHSA-2023:0979 Released 2023-02-28 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-core-5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-debug-5.14.0-162.18.1.rt21.181.el9_1 +7
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-core-5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-debug-5.14.0-162.18.1.rt21.181.el9_1 +9
  • RHSA-2023:0951 Released 2023-02-28 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-162.18.1.el9_1
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-debug-devel-5.14.0-162.18.1.el9_1, kernel-debug-devel-matched-5.14.0-162.18.1.el9_1, kernel-devel-5.14.0-162.18.1.el9_1 +5
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-5.14.0-162.18.1.el9_1, kernel-5.14.0-162.18.1.el9_1, kernel-abi-stablelists-5.14.0-162.18.1.el9_1 +14

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2023:0951
Red Hat CodeReady Linux Builder EUS (v.9.0)Fixed RHSA-2023:1202
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:0951
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2023:1202
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2023:0951, RHSA-2023:1008
Red Hat Enterprise Linux BaseOS EUS (v.9.0)Fixed RHSA-2023:1202, RHSA-2023:1435
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2023:0979
Red Hat Enterprise Linux Real Time EUS (v.9.0)Fixed RHSA-2023:1203
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2023:0979
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0)Fixed RHSA-2023:1203
Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-4379
  2. 2026-10-03 Alias added: GHSA-4hpx-4mpp-gqwv
  3. 2026-11-05 Affected versions changed · Red Hat

References

Patch 2

Advisory 4

Sources

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