CVE-2026-52970

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 v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4	Patch
https://git.kernel.org/stable/c/1dced0725e2fae3ac3416274db20a7ff5a46931d	Patch
https://git.kernel.org/stable/c/26ab32ec73941871c97562ee1f39587950dc3b68	Patch
https://git.kernel.org/stable/c/2aef1b13d5c0285f340512c6c07eb858fd018fd8	Patch
https://git.kernel.org/stable/c/7b96242ceedfe249f158419f3254bcee04173ffe	Patch
https://git.kernel.org/stable/c/84c422cea5a45fe56be839f25880f21fd33940cd	Patch
https://git.kernel.org/stable/c/cdb9a25dd3416d427e8b2753210f8baf44207577	Patch
https://git.kernel.org/stable/c/ecca618e1e339494911090474ed87742c0f73976	Patch
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
https://cert-portal.siemens.com/productcert/html/ssa-457936.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc2::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc3::::::

History

15 Oct 2026, 02:19

Type	Values Removed	Values Added
References		() https://cert-portal.siemens.com/productcert/html/ssa-457936.html -

Information

Published : 2026-06-24 17:17

Updated : 2026-10-15 02:19

NVD link : CVE-2026-52970

Mitre link : CVE-2026-52970

CVE.ORG link : CVE-2026-52970

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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