CVE-2023-35001
Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability
HIGH
7.8
CVSS Score
Published: July 5, 2023 at 06:35 PM UTC
Updated: October 15, 2026 at 12:16 AM UTC
8 products affected across 4 vendorsLinux KernelDebian LinuxFedora
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Severity
HIGH7.8
Exploit prediction
EPSS 2%
Description
Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%3.13 ≤ v < 4.14.3224.15 ≤ v ≤ 4.19.2914.20 ≤ v < 5.4.2515.11 ≤ v < 5.15.1215.16 ≤ v < 6.1.395.5 ≤ v < 5.10.1886.2 ≤ v < 6.4.43.13-rc1
Affected range stops below 4.14.322, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.10.188, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.121, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.251, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.39, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.4.4, 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:
References (16)
Third Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.htmlThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.htmlMailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2023/07/05/3PatchThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/08/msg00001.htmlIssue TrackingPatchVendor Advisory
Source: [email protected]
https://lore.kernel.org/netfilter-devel/[email protected]/T/CVSS
7.8HIGHcanonical
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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