CVE-2024-26870 — Improper Input Validation in Linux
Severity
5.5MEDIUMNVD
OSV7.0OSV6.5
EPSS
0.0%
top 98.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 17
Latest updateJul 26
Description
In the Linux kernel, the following vulnerability has been resolved:
NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102
A call to listxattr() with a buffer size = 0 returns the actual
size of the buffer needed for a subsequent call. When size > 0,
nfs4_listxattr() does not return an error because either
generic_listxattr() or nfs4_listxattr_nfs4_label() consumes
exactly all the bytes then size is 0 when calling
nfs4_listxattr_nfs4_user() which then triggers the following
kernel BUG:
[…
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 Packages5 packages
▶CVEListV5linux/linux012a211abd5db098094ce429de5f046368391e68 — 4403438eaca6e91f02d272211c4d6b045092396b+7
Also affects: Debian Linux 10.0
Patches
🔴Vulnerability Details
17📋Vendor Advisories
18💬Community
1Bugzilla
▶