CVE-2026-72459
In the Linux kernel, the following vulnerability has been resolved: apparmor: aa_label_alloc use aa_label_free on alloc failure aa_label_alloc() allocates a secid before allocating or taking the label proxy.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: apparmor: aa_label_alloc use aa_label_free on alloc failure aa_label_alloc() allocates a secid before allocating or taking the label proxy. If the later proxy step fails, the error path only freed the label memory, leaking any resources initialized by aa_label_init(). Use aa_label_free() on the failure path so partially initialized labels release their secid and other label resources before the backing memory is freed.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.14% probability · 4th percentile
- CISA KEV
- Not listed
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/654fe7505dc6889724d4094fa64f89991afabfc3
- https://git.kernel.org/stable/c/6d91479174240f39e9edea250d95fa08c678a207
- https://git.kernel.org/stable/c/7cb69e109610bba500e1ecb870f7988a4717208a
- https://git.kernel.org/stable/c/ae02e603c0b39b29f3ce6fe3efe01b286af1a2a4
- https://git.kernel.org/stable/c/b14fbacad77d64594228983ec20d61a224f3f491
- https://git.kernel.org/stable/c/b5a9da5d36162d34db0f36abb15420e295176793
- https://git.kernel.org/stable/c/bf310b044e85d4de670c94295c5d8e4c5bc5e7bc
- https://git.kernel.org/stable/c/cc2192899d502e3321e60cf1e91421e7309d089c
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.