CVE-2024-56614 — Out-of-bounds Write in Linux
Severity
7.8HIGHNVD
OSV8.8OSV5.5
EPSS
0.0%
top 99.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 27
Latest updateMay 28
Description
In the Linux kernel, the following vulnerability has been resolved:
xsk: fix OOB map writes when deleting elements
Jordy says:
"
In the xsk_map_delete_elem function an unsigned integer
(map->max_entries) is compared with a user-controlled signed integer
(k). Due to implicit type conversion, a large unsigned value for
map->max_entries can bypass the intended bounds check:
if (k >= map->max_entries)
return -EINVAL;
This allows k to hold a negative value (between -2147483648 and -2),
which is …
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