CVE-2024-50199 — Improper Input Validation in Linux
Severity
5.5MEDIUMNVD
OSV8.8OSV7.8OSV6.7OSV6.3OSV4.7
EPSS
0.0%
top 97.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 8
Latest updateMay 28
Description
In the Linux kernel, the following vulnerability has been resolved:
mm/swapfile: skip HugeTLB pages for unuse_vma
I got a bad pud error and lost a 1GB HugeTLB when calling swapoff. The
problem can be reproduced by the following steps:
1. Allocate an anonymous 1GB HugeTLB and some other anonymous memory.
2. Swapout the above anonymous memory.
3. run swapoff and we will get a bad pud error in kernel message:
mm/pgtable-generic.c:42: bad pud 00000000743d215d(84000001400000e7)
We can tell that …
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 Packages6 packages
▶CVEListV5linux/linux0fe6e20b9c4c53b3e97096ee73a0857f60aad43f — ba7f982cdb37ff5a7739dec85d7325ea66fc1496+7