01 Record

CVE-2026-80707

can: j1939: transport: j1939_session_fresh_new(): initialize receive buffer

HighPUBLISHEDCNA: Linux

CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

View raw JSON

02 Description

can: j1939: transport: j1939_session_fresh_new(): initialize receive buffer

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.
AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
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

0.32% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 25.8% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Received. NVD last modified this record on 2026-10-16.

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

2026-08-28 06:53Z2 MO AGO

Last updated

2026-10-16 19:26Z12 DAYS AGO

Reserved

2026-08-26

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

CWE-824Access of Uninitialized PointerBase

Data version

5.2

Document digest

a7ae38d11ae8666d361cbac5edff9803040fbef3155e9229d4ebcc46be86ddfe

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux9d71dd0c70099914fcd063135da3c580865e924c to < 348818277a3646d5b9fa60c9d20c00dc4bc86832, 9d71dd0c70099914fcd063135da3c580865e924c to < f3e120a34b336079479fa10f706f0636eaa6e751, 9d71dd0c70099914fcd063135da3c580865e924c to < bbfa49d1e287de44994955b44d19281be3195b44, 9d71dd0c70099914fcd063135da3c580865e924c to < 194d67e92197eb820f4c2c6605d9721333b3eba0, 9d71dd0c70099914fcd063135da3c580865e924c to < 038bad8e16c2e28acf31f0b527a816fb23a57269, 9d71dd0c70099914fcd063135da3c580865e924c to < 8604a3b81b9d0ceaf04fee5f52e701f623a179f9, 9d71dd0c70099914fcd063135da3c580865e924c to < d5b3613c7d69d8dcb4dd6704f1f463198ce9f6cf, 9d71dd0c70099914fcd063135da3c580865e924c to < eb96c58907922546e415e545fe9a14ea63b02719, 5.4—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/348818277a3646d5b9fa60c9d20c00dc4bc86832
git.kernel.orghttps://git.kernel.org/stable/c/f3e120a34b336079479fa10f706f0636eaa6e751
git.kernel.orghttps://git.kernel.org/stable/c/bbfa49d1e287de44994955b44d19281be3195b44
git.kernel.orghttps://git.kernel.org/stable/c/194d67e92197eb820f4c2c6605d9721333b3eba0
git.kernel.orghttps://git.kernel.org/stable/c/038bad8e16c2e28acf31f0b527a816fb23a57269
git.kernel.orghttps://git.kernel.org/stable/c/8604a3b81b9d0ceaf04fee5f52e701f623a179f9
git.kernel.orghttps://git.kernel.org/stable/c/d5b3613c7d69d8dcb4dd6704f1f463198ce9f6cf
git.kernel.orghttps://git.kernel.org/stable/c/eb96c58907922546e415e545fe9a14ea63b02719

07 Fixed in

Debian 12

linux
Fixed in 6.1.187-1
linux-6.12
Fixed in 6.12.107-1~deb12u1

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

Debian 13

linux
Fixed in 6.12.105-1

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

Debian 14

linux
Fixed in 7.1.8-1

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