CVE-2022-2588

HIGH
7.8
CVSS Score
Published: January 8, 2024 at 05:50 PM UTC
Updated: October 14, 2026 at 02:17 PM UTC
3 products affected across 3 vendorsLinux KernelUbuntu LinuxLinux

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Severity
HIGH7.8
Exploit prediction
EPSS 6%
SSVC
PoC

Description

It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.9.3264.10 ≤ v < 4.14.2914.15 ≤ v < 4.19.2564.20 ≤ v < 5.4.2115.11 ≤ v < 5.15.615.16 ≤ v < 5.18.185.19 ≤ v < 5.19.25.5 ≤ v < 5.10.137
Affected range stops below 4.14.291, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.19.256, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.326, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.10.137, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.61, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.18.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.19.2, 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
Affected range stops below 6.0~rc1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

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-416CWE-415

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