CVE-2022-50096
MediumIn 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.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected versions
Linux kernel versions
5.13
and later are affected. Fixed in
5.15.61,
5.18.18,
5.19.2,
6.0
and their respective stable series.
References
The following references provide additional information about CVE-2022-50096 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/1cbf3882cb372bbe752efd7c3045ca1c9ab40ac6
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PatchKernel patch commithttps://git.kernel.org/stable/c/663cdda2716b70751df9c7e60b81bd0850fdfe3c
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PatchKernel patch commithttps://git.kernel.org/stable/c/b9c3401f7cac6ae291a16784dadcd1bf116218fe
Frequently asked questions
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What is CVE-2022-50096?
CVE-2022-50096 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.13 onward and has been patched in 5.15.61, 5.18.18, 5.19.2 and others. CVE-2022-50096 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2022-50096?
CVE-2022-50096 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2022-50096?
Yes — CVE-2022-50096 has been patched. Fixed versions include 5.15.61, 5.18.18, 5.19.2 and others. If you are running Linux kernel 5.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50096 actively exploited?
No — CVE-2022-50096 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.