NFSv4/pnfs: Fix a use-after-free bug in open
Priority LOW 33CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 5 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: NFSv4/pnfs: Fix a use-after-free bug in open If someone cancels the open RPC call, then we must not try to free either the open slot or the layoutget operation arguments, since they are likely still in use by the hung RPC call.
Why it matters now
EPSS 0.00199 9th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.19.256, 5.4.211, 5.10.138 +5Red Hat: 2 advisoriesRed Hat: 5 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.19.247 to before 4.19.256; 5.4.198 to before 5.4.211; 5.10.122 to before 5.10.138; 5.15.47 to before 5.15.63; 5.17.15 to before 5.18; 5.18.4 to before 5.19 | 4.19.256, 5.4.211, 5.10.138, 5.15.63, 5.18, 5.19 | Patch available | CNA |
| Linux | Linux | 5.19 and later | 4.19.256, 5.4.211, 5.10.138, 5.15.63, 5.19.4, 6.0 | Patch available | CNA |
- Linux VendorLinux Affected 4.19.247 to before 4.19.256; 5.4.198 to before 5.4.211; 5.10.122 to before 5.10.138; 5.15.47 to before 5.15.63; 5.17.15 to before 5.18; 5.18.4 to before 5.19 Fixed in 4.19.256, 5.4.211, 5.10.138, 5.15.63, 5.18, 5.19 Patch available CNA
- Linux VendorLinux Affected 5.19 and later Fixed in 4.19.256, 5.4.211, 5.10.138, 5.15.63, 5.19.4, 6.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.19.247 to before 4.19.256; 5.4.198 to before 5.4.211; 5.10.122 to before 5.10.138; 5.15.47 to before 5.15.63; 5.17.15 to before 5.18; 5.18.4 to before 5.19.4 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.19.247 to before 4.19.256; 5.4.198 to before 5.4.211; 5.10.122 to before 5.10.138; 5.15.47 to before 5.15.63; 5.17.15 to before 5.18; 5.18.4 to before 5.19.4 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.256, 5.4.211, 5.10.138, 5.15.63, 5.18, 5.19
- Fix · CNA Linux (Linux) Fixed in 4.19.256, 5.4.211, 5.10.138, 5.15.63, 5.19.4, 6.0
Red Hat 2 advisories
- RHSA-2024:7000 Released 2024-09-24 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.22.1.el8_10, kernel-4.18.0-553.22.1.el8_10, kernel-abi-stablelists-4.18.0-553.22.1.el8_10 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.22.1.el8_10
- RHSA-2023:6583 Released 2023-11-07 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-362.8.1.el9_3, libperf-5.14.0-362.8.1.el9_3
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-362.8.1.el9_3, kernel-64k-debug-devel-matched-5.14.0-362.8.1.el9_3, kernel-64k-devel-5.14.0-362.8.1.el9_3 +11
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.2.0-362.8.1.el9_3, kernel-5.14.0-362.8.1.el9_3, kernel-64k-5.14.0-362.8.1.el9_3 +29
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-362.8.1.el9_3, kernel-rt-core-5.14.0-362.8.1.el9_3, kernel-rt-debug-5.14.0-362.8.1.el9_3 +9
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-362.8.1.el9_3, kernel-rt-core-5.14.0-362.8.1.el9_3, kernel-rt-debug-5.14.0-362.8.1.el9_3 +11
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| RHOAI-2.13-RHEL-8 | Fixed | — |
| RHOAI-2.14-RHEL-8 | Fixed | — |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | — |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:7000 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2024:7000 |
Not affected: 4 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-50072
- 2026-10-03 Alias added: GHSA-j3q7-wh4c-9xv8
- 2026-10-30 Fix available: RHOAI-2.13-RHEL-8, RHOAI-2.14-RHEL-8 · Red Hat
References
Patch 6
- https://git.kernel.org/stable/c/0fffb46ff3d5ed4668aca96441ec7a25b793bd6f
- https://git.kernel.org/stable/c/f7ee3b772d9de87387a725caa04bc041ac7fe5ec
- https://git.kernel.org/stable/c/76ffd2042438769298f34b76102b40dea89de616
- https://git.kernel.org/stable/c/a4cf3dadd1fa43609f7c6570c9116b0e0a9923d1
- https://git.kernel.org/stable/c/b03d1117e9be7c7da60e466eaf9beed85c5916c8
- https://git.kernel.org/stable/c/2135e5d56278ffdb1c2e6d325dc6b87f669b9dac
More Linux Kernel vulnerabilities
- 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
Sources
- CVE-2022-50072 · CVE Program
- CVE-2022-50072 · NVD
- FIRST EPSS
- GHSA-j3q7-wh4c-9xv8 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-50072 · Red Hat security data · CC BY 4.0
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