01 Record

CVE-2026-53212

netfilter: nft_tunnel: fix use-after-free on object destroy

HighPUBLISHEDCNA: Linux

CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

View raw JSON

02 Description

netfilter: nft_tunnel: fix use-after-free on object destroy

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.15% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 4.8% of scored records. A rank, not a probability.
NVD base score: 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status: Analyzed. NVD last modified this record on 2026-07-02.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2026-06-25 08:39Z2 MO AGO

Last updated

2026-08-05 12:34Z1 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

CWE-416Use After FreeVariant
CWE-1341Multiple Releases of Same Resource or HandleBase

Data version

5.2

Document digest

3905f741a68e65ef55c60358280b71ec4b6b120721f643c7db0b82f1a0094c76

05 Affected products

VendorProductVersionsPlatforms

LinuxLinuxaf308b94a2a4a5a27bec9028354c4df444a7c8ba to < 349df61526d2e39decc685d246202e3e284cfe05, af308b94a2a4a5a27bec9028354c4df444a7c8ba to < 55b79b1ae42372012413ce0413181d26679b17ef, af308b94a2a4a5a27bec9028354c4df444a7c8ba to < 5e9ee18b27fde88cb6148202b33916c66693fe82, af308b94a2a4a5a27bec9028354c4df444a7c8ba to < 8767fe4079affa74314d7eb3220e700150289842, af308b94a2a4a5a27bec9028354c4df444a7c8ba to < fda6573a46ad24f35348e024905ee5bdf729797e, af308b94a2a4a5a27bec9028354c4df444a7c8ba to < 941d7394efda5e054e2d6f3e0dd0f6a9ba19aaa3, af308b94a2a4a5a27bec9028354c4df444a7c8ba to < f9a0e4b61054cde89a2a77845293c726cc07cc43, af308b94a2a4a5a27bec9028354c4df444a7c8ba to < c32b26aaa2f9216520a38b3f4bfeec846eb3eb8a, 4.19—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/349df61526d2e39decc685d246202e3e284cfe05
git.kernel.orghttps://git.kernel.org/stable/c/55b79b1ae42372012413ce0413181d26679b17ef
git.kernel.orghttps://git.kernel.org/stable/c/5e9ee18b27fde88cb6148202b33916c66693fe82
git.kernel.orghttps://git.kernel.org/stable/c/8767fe4079affa74314d7eb3220e700150289842
git.kernel.orghttps://git.kernel.org/stable/c/fda6573a46ad24f35348e024905ee5bdf729797e
git.kernel.orghttps://git.kernel.org/stable/c/941d7394efda5e054e2d6f3e0dd0f6a9ba19aaa3
git.kernel.orghttps://git.kernel.org/stable/c/f9a0e4b61054cde89a2a77845293c726cc07cc43
git.kernel.orghttps://git.kernel.org/stable/c/c32b26aaa2f9216520a38b3f4bfeec846eb3eb8a

01 Record index

CVE-2026-53212

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-53212

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References