CVE-2022-50096

x86/kprobes: Update kcb status flag after singlestepping

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

18 Jun 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: x86/kprobes: Update kcb status flag after singlestepping Fix kprobes to update kcb (kprobes control block) status flag to KPROBE_HIT_SSDONE even if the kp->post_handler is not set. This bug may cause a kernel panic if another INT3 user runs right after kprobes because kprobe_int3_handler() misunderstands the INT3 is kprobe's single stepping INT3.

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/1cbf3882cb372bbe752efd7c3045ca1c9ab40ac6 https://git.kernel.org/stable/c/663cdda2716b70751df9c7e60b81bd0850fdfe3c https://git.kernel.org/stable/c/b9c3401f7cac6ae291a16784dadcd1bf116218fe https://git.kernel.org/stable/c/dec8784c9088b131a1523f582c2194cfc8107dc0 https://git.kernel.org/stable/c/edc2ac7c7265b33660fa0190898966b49966b855