CVE-2025-38405 — Missing Release of Memory after Effective Lifetime in Linux
Severity
5.5MEDIUMNVD
OSV5.6OSV3.2
EPSS
0.0%
top 95.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 25
Latest updateMar 25
Description
In the Linux kernel, the following vulnerability has been resolved:
nvmet: fix memory leak of bio integrity
If nvmet receives commands with metadata there is a continuous memory
leak of kmalloc-128 slab or more precisely bio->bi_integrity.
Since commit bf4c89fc8797 ("block: don't call bio_uninit from bio_endio")
each user of bio_init has to use bio_uninit as well. Otherwise the bio
integrity is not getting free. Nvmet uses bio_init for inline bios.
Uninit the inline bio to complete deallocat…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages14 packages
▶CVEListV5linux/linuxbf4c89fc8797f5c0964a0c3d561fbe7e8483b62f — 431e58d56fcb5ff1f9eb630724a922e0d2a941df+4