CVE-2024-36938 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference44 documents8 sources
Severity
5.5MEDIUMNVD
OSV6.5OSV4.7
EPSS
0.0%
top 95.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
LinuxLinux KernelDebian Linux+3 more
Timeline
PublishedMay 30
Latest updateAug 14

Description

In the Linux kernel, the following vulnerability has been resolved: bpf, skmsg: Fix NULL pointer dereference in sk_psock_skb_ingress_enqueue Fix NULL pointer data-races in sk_psock_skb_ingress_enqueue() which syzbot reported [1]. [1] BUG: KCSAN: data-race in sk_psock_drop / sk_psock_skb_ingress_enqueue write to 0xffff88814b3278b8 of 8 bytes by task 10724 on cpu 1: sk_psock_stop_verdict net/core/skmsg.c:1257 [inline] sk_psock_drop+0x13e/0x1f0 net/core/skmsg.c:843 sk_psock_put include/linux/sk…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages8 packages

▶NVDlinux/linux_kernel4.20 — 5.15.159+3
▶Debianlinux/linux_kernel< 5.10.223-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-202.222+2

Patches

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

🔴Vulnerability Details

20
OSV
linux-azure-5.4 vulnerabilities↗2025-01-14
▶
OSV
linux-azure vulnerabilities↗2025-01-09
▶
OSV
linux-raspi-5.4 vulnerabilities↗2025-01-06
▶
OSV
linux-iot vulnerabilities↗2024-12-20
▶
OSV
linux-aws, linux-aws-5.4 vulnerabilities↗2024-12-17
▶

📋Vendor Advisories

22
CISA ICS
Siemens Third-Party Components in SINEC OS↗2025-08-14
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-01-14
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-01-09
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-01-06
▶
Ubuntu
Linux kernel (IoT) vulnerabilities↗2024-12-20
▶

💬Community

1
Bugzilla
CVE-2024-36938 kernel: bpf, skmsg: Fix NULL pointer dereference in sk_psock_skb_ingress_enqueue↗2024-06-03
▶