01 Record

CVE-2023-52527

ipv4, ipv6: Fix handling of transhdrlen in __ip{,6}_append_data()

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

ipv4, ipv6: Fix handling of transhdrlen in __ip{,6}_append_data()

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 13.1% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2024-03-02 21:52Z2 YR AGO

Last updated

2026-05-11 19:29Z5 MO AGO

Reserved

2024-02-20

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

566e296978711c7d01130dc075f51c28776dff0ea35cba8b075c82e485e758f0

05 Affected products

VendorProductVersionsPlatforms

LinuxLinuxa32e0eec7042b21ccb52896cf715e3e2641fed93 to < 7626b9fed53092aa2147978070e610ecb61af844, a32e0eec7042b21ccb52896cf715e3e2641fed93 to < 559d697c5d072593d22b3e0bd8b8081108aeaf59, a32e0eec7042b21ccb52896cf715e3e2641fed93 to < 1fc793d68d50dee4782ef2e808913d5dd880bcc6, a32e0eec7042b21ccb52896cf715e3e2641fed93 to < 96b2e1090397217839fcd6c9b6d8f5d439e705ed, a32e0eec7042b21ccb52896cf715e3e2641fed93 to < cd1189956393bf850b2e275e37411855d3bd86bb, a32e0eec7042b21ccb52896cf715e3e2641fed93 to < f6a7182179c0ed788e3755ee2ed18c888ddcc33f, a32e0eec7042b21ccb52896cf715e3e2641fed93 to < fe80658c08e3001c80c5533cd41abfbb0e0e28fd, a32e0eec7042b21ccb52896cf715e3e2641fed93 to < 9d4c75800f61e5d75c1659ba201b6c0c7ead3070, 3.5—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/7626b9fed53092aa2147978070e610ecb61af844
git.kernel.orghttps://git.kernel.org/stable/c/559d697c5d072593d22b3e0bd8b8081108aeaf59
git.kernel.orghttps://git.kernel.org/stable/c/1fc793d68d50dee4782ef2e808913d5dd880bcc6
git.kernel.orghttps://git.kernel.org/stable/c/96b2e1090397217839fcd6c9b6d8f5d439e705ed
git.kernel.orghttps://git.kernel.org/stable/c/cd1189956393bf850b2e275e37411855d3bd86bb
git.kernel.orghttps://git.kernel.org/stable/c/f6a7182179c0ed788e3755ee2ed18c888ddcc33f
git.kernel.orghttps://git.kernel.org/stable/c/fe80658c08e3001c80c5533cd41abfbb0e0e28fd
git.kernel.orghttps://git.kernel.org/stable/c/9d4c75800f61e5d75c1659ba201b6c0c7ead3070

07 Fixed in

Debian 12

linux
Fixed in 6.1.64-1

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

Debian 13

linux
Fixed in 6.5.8-1

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

Debian 14

linux
Fixed in 6.5.8-1

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