CVE-2022-41222
HIGH
7
CVSS Score
Published: September 21, 2022 at 12:00 AM UTC
Updated: October 14, 2026 at 06:17 PM UTC
4 products affected across 4 vendorsLinux KernelDebian LinuxUbuntu Linux
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Severity
HIGH7
Exploit prediction
EPSS 0.5%
SSVC
PoC
Description
mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%5.0 ≤ v < 5.4.2115.11 ≤ v < 5.12.185.13 ≤ v < 5.13.35.5 ≤ v < 5.10.137
Affected range stops below 5.10.137, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.211, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.html
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2347
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2
References (9)
Third Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.htmlPatchThird Party Advisory
Source: [email protected]
http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.htmlExploitIssue TrackingMailing ListPatchThird Party Advisory
Source: [email protected]
https://bugs.chromium.org/p/project-zero/issues/detail?id=2347Release NotesVendor Advisory
Source: [email protected]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20230214-0008/Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-794697.htmlSSVC — Action Prioritization
SSVCPoCNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7HIGHCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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