CVE-2025-38424 — Expired Pointer Dereference in Linux
Severity
5.5MEDIUMNVD
OSV5.6OSV3.2
EPSS
0.0%
top 94.03%
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:
perf: Fix sample vs do_exit()
Baisheng Gao reported an ARM64 crash, which Mark decoded as being a
synchronous external abort -- most likely due to trying to access
MMIO in bad ways.
The crash further shows perf trying to do a user stack sample while in
exit_mmap()'s tlb_finish_mmu() -- i.e. while tearing down the address
space it is trying to access.
It turns out that we stop perf after we tear down the userspace mm; a
recei…
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 Packages4 packages
▶CVEListV5linux/linuxc5ebcedb566ef17bda7b02686e0d658a7bb42ee7 — 7b8f3c72175c6a63a95cf2e219f8b78e2baad34e+8
Also affects: Debian Linux 11.0