01 Record

CVE-2023-52628

netfilter: nftables: exthdr: fix 4-byte stack OOB write

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: nftables: exthdr: fix 4-byte stack OOB write

03 Exploitation and scoring

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.66% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 51.3% of scored records. A rank, not a probability.

NVD base score

7.1 (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:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-08-04.

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

2024-03-28 07:33Z2 YR AGO

Last updated

2026-08-05 09:10Z2 MO AGO

Reserved

2024-03-06

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-787Out-of-bounds WriteBase

Data version

5.2

Document digest

91c0eeb79e0851ce1d5b855806ba1e806274b7a04d0e42b45f43d59e9b624dd7

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux49499c3e6e18b7677a63316f3ff54a16533dc28f to < 28a97c43c9e32f437ebb8d6126f9bb7f3ca9521a, 49499c3e6e18b7677a63316f3ff54a16533dc28f to < cf39c4f77a773a547ac2bcf30ecdd303bb0c80cb, 49499c3e6e18b7677a63316f3ff54a16533dc28f to < a7d86a77c33ba1c357a7504341172cc1507f0698, 49499c3e6e18b7677a63316f3ff54a16533dc28f to < 1ad7b189cc1411048434e8595ffcbe7873b71082, 49499c3e6e18b7677a63316f3ff54a16533dc28f to < d9ebfc0f21377690837ebbd119e679243e0099cc, 49499c3e6e18b7677a63316f3ff54a16533dc28f to < c8f292322ff16b9a2272a67de396c09a50e09dce, 49499c3e6e18b7677a63316f3ff54a16533dc28f to < fd94d9dadee58e09b49075240fe83423eb1dcd36, 4.1—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/28a97c43c9e32f437ebb8d6126f9bb7f3ca9521a
git.kernel.orghttps://git.kernel.org/stable/c/cf39c4f77a773a547ac2bcf30ecdd303bb0c80cb
git.kernel.orghttps://git.kernel.org/stable/c/a7d86a77c33ba1c357a7504341172cc1507f0698
git.kernel.orghttps://git.kernel.org/stable/c/1ad7b189cc1411048434e8595ffcbe7873b71082
git.kernel.orghttps://git.kernel.org/stable/c/d9ebfc0f21377690837ebbd119e679243e0099cc
git.kernel.orghttps://git.kernel.org/stable/c/c8f292322ff16b9a2272a67de396c09a50e09dce
git.kernel.orghttps://git.kernel.org/stable/c/fd94d9dadee58e09b49075240fe83423eb1dcd36
lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/06/msg00020.html

07 Fixed in

Debian 12

linux
Fixed in 6.1.55-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

linux
Fixed in 6.5.6-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

linux
Fixed in 6.5.6-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.