CVE-2026-45899

ext4: drop extent cache when splitting extent fails

State: Published
Severity: Not scored
Published: May 27, 2026
Updated: Oct 30, 2026
Reserved: May 13, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

ext4: drop extent cache when splitting extent fails

When the split extent fails, we might leave some extents still being processed and return an error directly, which will result in stale extent entries remaining in the extent status tree. So drop all of the remaining potentially stale extents if the splitting fails.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 6e54f8dfee359bbd58086c883ea8cffd5312999dAffected 107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 337506dc652383c80839edb8d8dcdd8ff2129b4fAffected 107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 2943bdbcdef6f74d4235ad0e57b225104dcad8abAffected 107a7bd31ac003e42c0f966aa8e5b26947de6024 to before dc7c9b9d03a59a7fe483574531327e650a4b4adcAffected 107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 120c6bd7ca9d3e80a968b758cbb3fbd67570f132Affected 107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 808f3191498f300174523c54cab101e18795ae4eAffected 107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 31bf37cf53ede8145e2bc62da803d4506da92975Affected 107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 79b592e8f1b435796cbc2722190368e3e8ffd7a1Affected
LinuxLinux	3.12Affected before 3.12Not affected 5.10.253 through 5.10.Not affected 5.15.203 through 5.15.Not affected 6.1.191 through 6.1.Not affected 6.6.130 through 6.6.Not affected 6.12.75 through 6.12.Not affected 6.18.14 through 6.18.Not affected 6.19.4 through 6.19.*Not affected 7.0 and laterNot affected

Product

Versions

LinuxLinux

107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 6e54f8dfee359bbd58086c883ea8cffd5312999dAffected
107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 337506dc652383c80839edb8d8dcdd8ff2129b4fAffected
107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 2943bdbcdef6f74d4235ad0e57b225104dcad8abAffected
107a7bd31ac003e42c0f966aa8e5b26947de6024 to before dc7c9b9d03a59a7fe483574531327e650a4b4adcAffected
107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 120c6bd7ca9d3e80a968b758cbb3fbd67570f132Affected
107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 808f3191498f300174523c54cab101e18795ae4eAffected
107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 31bf37cf53ede8145e2bc62da803d4506da92975Affected
107a7bd31ac003e42c0f966aa8e5b26947de6024 to before 79b592e8f1b435796cbc2722190368e3e8ffd7a1Affected

LinuxLinux

3.12Affected
before 3.12Not affected
5.10.253 through 5.10.*Not affected
5.15.203 through 5.15.*Not affected
6.1.191 through 6.1.*Not affected
6.6.130 through 6.6.*Not affected
6.12.75 through 6.12.*Not affected
6.18.14 through 6.18.*Not affected
6.19.4 through 6.19.*Not affected
7.0 and laterNot affected

References

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