CVE-2023-52637 — Use After Free in Linux

CWE-416 — Use After Free31 documents8 sources
Severity
7.8HIGHNVD
OSV7.0OSV6.5OSV5.5
EPSS
0.0%
top 98.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedApr 3
Latest updateAug 14

Description

In the Linux kernel, the following vulnerability has been resolved: can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER) Lock jsk->sk to prevent UAF when setsockopt(..., SO_J1939_FILTER, ...) modifies jsk->filters while receiving packets. Following trace was seen on affected system: BUG: KASAN: slab-use-after-free in j1939_sk_recv_match_one+0x1af/0x2d0 [can_j1939] Read of size 4 at addr ffff888012144014 by task j1939/350 CPU: 0 PID: 350 Comm: j1939 Tainted: G W OE …

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages5 packages

▶NVDlinux/linux_kernel5.4 — 5.4.269+6
▶Debianlinux/linux_kernel< 5.10.216-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-181.201+1
▶CVEListV5linux/linux9d71dd0c70099914fcd063135da3c580865e924c — 08de58abedf6e69396e1207e4f99ef8904b2b532+7
▶debiandebian/linux< linux 6.1.82-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

14
OSV
linux-oem-6.5 vulnerabilities↗2024-08-02
▶
OSV
linux-aws-6.5, linux-lowlatency-hwe-6.5, linux-oracle-6.5, linux-starfive-6.5 vulnerabilities↗2024-07-19
▶
OSV
linux-hwe-6.5 vulnerabilities↗2024-07-17
▶
OSV
linux-azure-6.5, linux-gcp-6.5 vulnerabilities↗2024-07-16
▶
OSV
linux, linux-gcp, linux-nvidia-6.5, linux-raspi vulnerabilities↗2024-07-12
▶

📋Vendor Advisories

15
CISA ICS
Siemens SINEC OS↗2025-08-14
▶
Ubuntu
Linux kernel vulnerabilities↗2024-08-02
▶
Ubuntu
Linux kernel vulnerabilities↗2024-07-19
▶
Ubuntu
Linux kernel vulnerabilities↗2024-07-17
▶
Ubuntu
Linux kernel vulnerabilities↗2024-07-16
▶

💬Community

1
Bugzilla
CVE-2023-52637 kernel: can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)↗2024-04-03
▶