CVE-2024-40959 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference52 documents7 sources
Severity
5.5MEDIUMNVD
OSV8.8OSV7.8OSV5.3
EPSS
0.0%
top 98.96%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedJul 12
Latest updateAug 14

Description

In the Linux kernel, the following vulnerability has been resolved: xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr() ip6_dst_idev() can return NULL, xfrm6_get_saddr() must act accordingly. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 12 Comm: kworker/u8:1 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 …

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 Packages6 packages

▶NVDlinux/linux_kernel2.6.12 — 4.19.317+7
▶Debianlinux/linux_kernel< 5.10.221-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-195.215+4
▶CVEListV5linux/linux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 — c71761292d4d002a8eccb57b86792c4e3b3eb3c7+8
▶debiandebian/linux< linux 6.1.99-1 (bookworm)

Patches

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

🔴Vulnerability Details

25
OSV
linux-azure, linux-azure-4.15 vulnerabilities↗2025-01-09
▶
OSV
linux, linux-lts-xenial vulnerabilities↗2025-01-06
▶
OSV
linux-aws, linux-kvm vulnerabilities↗2025-01-06
▶
OSV
linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities↗2025-01-06
▶
OSV
linux-raspi-5.4 vulnerabilities↗2024-10-01
▶

📋Vendor Advisories

26
CISA ICS
Siemens Third-Party Components in SINEC OS↗2025-08-14
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-01-09
▶
Ubuntu
Linux kernel vulnerabilities↗2025-01-06
▶
Ubuntu
Linux kernel vulnerabilities↗2025-01-06
▶
Ubuntu
Linux kernel vulnerabilities↗2025-01-06
▶