PT-2024-27217 · Linux+6 · Linux Kernel+6
Hossain
+1
·
Published
2024-04-10
·
Updated
2025-09-29
·
CVE-2024-36936
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A vulnerability in the Linux kernel has been resolved, related to a soft lockup during memory acceptance. The issue occurs when the memory of the TD guest is large and the timeout of softlockup is set to 1 second. The softlockup detects that the watchdog on a single CPU has not been fed for a while, which can hurt not only the nmi watchdog but also the softlockup. The
accept memory function is involved, and the touch softlockup watchdog function is used to skip the timeout check. The try to accept memory, do huge pmd anonymous page, get page from freelist, handle mm fault, alloc pages, and folio alloc functions are also mentioned in the call trace.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Improper Locking
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linuxmint
Linux Kernel
Red Hat
Red Os
Suse
Ubuntu