CVE-2023-53705Out-of-bounds Read in Linux

CWE-125Out-of-bounds Read6 documents5 sources
Severity
7.3HIGH
No vector
EPSS
0.0%
top 88.01%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 22

Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6_find_tlv() optlen is fetched without checking whether there is more than one byte to parse. It can lead to out-of-bounds access. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.

Affected Packages4 packages

Linuxlinux/linux_kernel2.6.194.14.316+6
Debianlinux/linux_kernel< 5.10.191-1+3
CVEListV5linux/linuxc61a404325093250b676f40ad8f4dd00f3bcab5f59e656d0d4a84ea0ee9a39c6f69160a3effccc94+8
debiandebian/linux< linux 6.1.37-1 (bookworm)

🔴Vulnerability Details

3
OSV
ipv6: Fix out-of-bounds access in ipv6_find_tlv()2025-10-22
OSV
CVE-2023-53705: In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6_find_tlv() optlen is fetched without checki2025-10-22
GHSA
GHSA-27mw-8p8v-6j5h: In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6_find_tlv() optlen is fetched without chec2025-10-22

📋Vendor Advisories

2
Red Hat
kernel: ipv6: Fix out-of-bounds access in ipv6_find_tlv()2025-10-22
Debian
CVE-2023-53705: linux - In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix o...2023