CVE-2026-93262
Published: September 26, 2026Last modified: October 6, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: md/raid5-ppl: fix use-after-free in ppl_do_flush() The loop in ppl_do_flush() continues iterating after calling ppl_io_unit_finished(), touching io->pending_flushes and leading to a use-after-free. Add a break statement to stop the loop once io is freed.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.189-r0) |
| 25 LTS | linux-lts | Fixed (6.12.111-r0) | |
| Stream | linux-lts | Fixed (6.18.53-r0) |
References
- https://git.kernel.org/stable/c/371f7a1b392edc8b7cf449cc7713179b588f2d0e
- https://git.kernel.org/stable/c/455b56209f9615c3902dcc398dd867abb5ade3ab
- https://git.kernel.org/stable/c/8914c3d40870f16429a326e97e4016bedc6ede4c
- https://git.kernel.org/stable/c/b5123bf667ac29ddd8106f9ca7cc01316513ae66
- https://git.kernel.org/stable/c/cf01f9413565e86673baf927291a088b6975692b
- https://git.kernel.org/stable/c/e7505842f1329ece90cb9ea0db87772aeca44052
- https://git.kernel.org/stable/c/e77c80670f2c2bf491da9b173931e1da4677c23a
- https://git.kernel.org/stable/c/fcf21df7d3c50c8ebeb0757df5d21b02dcae4218