CVE-2023-53365 — Buffer Underflow in Linux

CWE-124 — Buffer Underflow5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 17

Description

In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skb_under_panic in ip6mr_cache_report() skbuff: skb_under_panic: text:ffffffff88771f69 len:56 put:-4 head:ffff88805f86a800 data:ffff887f5f86a850 tail:0x88 end:0x2c0 dev:pim6reg ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:192! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 22968 Comm: kworker/2:11 Not tainted 6.5.0-rc3-00044-g0a8db05b571a #236 Hardware name: QEMU Standard PC (i440FX …

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 Packages4 packages

▶NVDlinux/linux_kernel2.6.26 — 4.14.322+7
▶Debianlinux/linux_kernel< 5.10.191-1+3
▶CVEListV5linux/linux14fb64e1f449ef6666f1c3a3fa4e13aec669b98d — a96d74d1076c82a4cef02c150d9996b21354c78d+8
▶debiandebian/linux< linux 6.1.52-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-29x7-qr43-qqmw: In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skb_under_panic in ip6mr_cache_report() skbuff: skb_under_panic: text↗2025-09-17
▶
OSV
CVE-2023-53365: In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skb_under_panic in ip6mr_cache_report() skbuff: skb_under_panic: text:f↗2025-09-17
▶

📋Vendor Advisories

2
Red Hat
kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report()↗2025-09-17
▶
Debian
CVE-2023-53365: linux - In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix ...↗2023
▶
CVE-2023-53365 — Buffer Underflow in Linux | cvebase