Note:
This project will be discontinued after December 13, 2021. [more]
2017-12-27
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."
| Products | Debian_linux, Linux_kernel |
| Type | Information Exposure (CWE-200) |
| First patch | - None (likely due to unavailable code) |
| Links |
• https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-verifier-fix-states_equal-comparison-of-pointer-and-unknown.patch?h=stretch-security
• http://www.securityfocus.com/bid/102320 • https://anonscm.debian.org/cgit/kernel/linux.git/commit/?h=stretch-security&id=ad775f6ff7eebb93eedc2f592bc974260e7757b0 • https://usn.ubuntu.com/usn/usn-3523-2/ • https://www.debian.org/security/2017/dsa-4073 |