IM
IronMonkey Threat Research

CVE-2026-52970 MEDIUM

Published: 2026-06-24 | Last Modified: 2026-09-08 | Status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: fix missing expect put in obj eval nft_ct_expect_obj_eval() allocates an expectation and may call nf_ct_expect_related(), but never drops its local reference. Add nf_ct_expect_put(exp) before return to balance allocation.

CVSS Metrics

Base Score: 5.5 (MEDIUM)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 1.8

Impact Score: 3.6

Weaknesses

Source Type Description
[email protected] Primary
en NVD-CWE-noinfo

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7d23a5985280> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7d24246c2fc0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7d24246c39c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7d2424505300> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7d23a5984b40> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7d23a5987440> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7d24246c1500> Operating System
linux linux_kernel 7.1 <built-in method update of dict object at 0x7d24246c3100> Operating System
linux linux_kernel 7.1 <built-in method update of dict object at 0x7d24246c1b80> Operating System
linux linux_kernel 7.1 <built-in method update of dict object at 0x7d23a5984480> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*

References

Notification
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