CVE-2022-32250
HIGH
7.8
CVSS Score
Published: June 2, 2022 at 08:51 PM UTC
Updated: October 14, 2026 at 05:17 PM UTC
8 products affected across 4 vendorsLinux KernelDebian LinuxFedora· also runs on 5 platforms
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Severity
HIGH7.8
Exploit prediction
EPSS 3%
Description
net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%4.1 ≤ v < 4.9.3184.10 ≤ v < 4.14.2834.15 ≤ v < 4.19.2474.20 ≤ v < 5.4.1985.11 ≤ v < 5.15.455.16 ≤ v < 5.17.135.18 ≤ v < 5.18.25.5 ≤ v < 5.10.120
Affected range stops below 4.14.283, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.19.247, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.318, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.10.120, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.45, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.17.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.18.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.198, 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://www.openwall.com/lists/oss-security/2022/06/03/1
- http://www.openwall.com/lists/oss-security/2022/06/04/1
- http://www.openwall.com/lists/oss-security/2022/08/25/1
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/net/netfilter?id=520778042ccca019f3ffa136dd0ca565c486cedd
- https://www.debian.org/security/2022/dsa-5173
References (19)
Mailing Listx_refsource_MLISTExploitPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/06/03/1Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/06/04/1Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/06/20/1Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/07/03/5Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/07/03/6Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/08/25/1Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/09/02/9x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://blog.theori.io/research/CVE-2022-32250-linux-kernel-lpe-2022/CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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