CVE-2025-37991 — Double Free in Linux
Severity
7.8HIGHNVD
OSV8.8OSV3.2
EPSS
0.1%
top 82.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 20
Latest updateMar 25
Description
In the Linux kernel, the following vulnerability has been resolved:
parisc: Fix double SIGFPE crash
Camm noticed that on parisc a SIGFPE exception will crash an application with
a second SIGFPE in the signal handler. Dave analyzed it, and it happens
because glibc uses a double-word floating-point store to atomically update
function descriptors. As a result of lazy binding, we hit a floating-point
store in fpe_func almost immediately.
When the T bit is set, an assist exception trap occurs when…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages4 packages
▶CVEListV5linux/linux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 — 2a1aff3616b3b57aa4a5f8a7762cce1e82493fe6+8
Also affects: Debian Linux 11.0