ext4: fix possible double unlock when moving a directory
Priority LOW 35CWE-415Published · 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: 4 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-415 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible double unlock when moving a directory
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0022 12th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.238, 5.10.176, 5.15.104 +2Red Hat: 1 advisoryRed Hat: 4 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.4.237 to before 5.4.238; 5.10.175 to before 5.10.176; 5.15.103 to before 5.15.104; 6.1.20 to before 6.1.21; 6.2.7 to before 6.2.8 | 5.4.238, 5.10.176, 5.15.104, 6.1.21, 6.2.8 | Patch available | CNA |
- Linux VendorLinux Affected 5.4.237 to before 5.4.238; 5.10.175 to before 5.10.176; 5.15.103 to before 5.15.104; 6.1.20 to before 6.1.21; 6.2.7 to before 6.2.8 Fixed in 5.4.238, 5.10.176, 5.15.104, 6.1.21, 6.2.8 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:5.4.237:*:*:*:*:*:*:* | 5.4.237 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.10.175:*:*:*:*:*:*:* | 5.10.175 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.15.103:*:*:*:*:*:*:* | 5.15.103 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1.20:*:*:*:*:*:*:* | 6.1.20 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2.7:*:*:*:*:*:*:* | 6.2.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* | 6.3 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* | 6.3 rc2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:5.4.237:*:*:*:*:*:*:* Versions 5.4.237 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.10.175:*:*:*:*:*:*:* Versions 5.10.175 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.15.103:*:*:*:*:*:*:* Versions 5.15.103 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1.20:*:*:*:*:*:*:* Versions 6.1.20 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2.7:*:*:*:*:*:*:* Versions 6.2.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* Versions 6.3 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* Versions 6.3 rc2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.238, 5.10.176, 5.15.104, 6.1.21, 6.2.8
Red Hat 1 advisory
- 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 |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 1 product
- Red Hat Enterprise Linux 10
Timeline
- 2026-10-02 Threatist record created from CVE-2023-53626
- 2026-10-03 Alias added: GHSA-g934-mv7g-597h
- 2026-10-16 CISA SSVC decision points changed
References
Patch 6
- https://git.kernel.org/stable/c/c16cbd8233d6c58fc488545393e49b5d55729990
- https://git.kernel.org/stable/c/020166bc6669ca9fb267ebd96bd88c4fb64a5d46
- https://git.kernel.org/stable/c/1c93c42c7bb23057bde8a0a2ab834927ff64d20c
- https://git.kernel.org/stable/c/e71eb4dca41f0f36823724ced0406bb2dbdd5506
- https://git.kernel.org/stable/c/43ce288ab5d7274a4a141d7f5e3ed2ab7b41f8a2
- https://git.kernel.org/stable/c/70e42feab2e20618ddd0cbfc4ab4b08628236ecd
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-2023-53626 · CVE Program
- CVE-2023-53626 · NVD
- FIRST EPSS
- GHSA-g934-mv7g-597h · GitHub Advisory Database · CC BY 4.0
- CVE-2023-53626 · Red Hat security data · CC BY 4.0
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