CVE-2025-68259 — Time-of-check Time-of-use (TOCTOU) Race Condition in Linux
Severity
7.2HIGHOSV
No vectorEPSS
0.1%
top 79.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 16
Latest updateApr 17
Description
In the Linux kernel, the following vulnerability has been resolved:
KVM: SVM: Don't skip unrelated instruction if INT3/INTO is replaced
When re-injecting a soft interrupt from an INT3, INT0, or (select) INTn
instruction, discard the exception and retry the instruction if the code
stream is changed (e.g. by a different vCPU) between when the CPU
executes the instruction and when KVM decodes the instruction to get the
next RIP.
As effectively predicted by commit 6ef88d6e36c2 ("KVM: SVM: Re-inje…