CVE-2023-53626
ext4: fix possible double unlock when moving a directory
HIGH
7.8
CVSS Score
Published: October 7, 2025 at 03:19 PM UTC
Updated: October 15, 2026 at 10:17 PM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible double unlock when moving a directory
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
0c440f14558bfacd22c6935ae1fd4b2a09e96b5d291cd19d107e197306869cb3237c1bba62d131825.10.1755.15.1035.4.2376.1.206.2.76.36.3 rc16.3 rc2813299c586b175d7edb25f56412c54b812d3798dac5a63cf79707b547ea3d425fead5f4482198fb0bb13612292ca90fa4c2a7e425375649bc50d3ec50fc503ee1b97f12c98e26afc39fdaebebcf04f
Vendor states this is fixed in 020166bc6669ca9fb267ebd96bd88c4fb64a5d46 (fixed)
Vendor states this is fixed in 1c93c42c7bb23057bde8a0a2ab834927ff64d20c (fixed)
Vendor states this is fixed in 43ce288ab5d7274a4a141d7f5e3ed2ab7b41f8a2 (fixed)
Vendor states this is fixed in 70e42feab2e20618ddd0cbfc4ab4b08628236ecd (fixed)
Vendor states this is fixed in c16cbd8233d6c58fc488545393e49b5d55729990 (fixed)
Vendor states this is fixed in e71eb4dca41f0f36823724ced0406bb2dbdd5506 (fixed)
Affected range stops below 5.10.176, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.104, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.238, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.21, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.8, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- 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
References (6)
SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.8HIGHLinux
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-415
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