ovl: Use "buf" flexible array for memcpy() destination
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 5.10.248, 5.15.93, 6.1.11
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: ovl: Use "buf" flexible array for memcpy() destination The "buf" flexible array needs to be the memcpy() destination to avoid false positive run-time warning from the recent FORTIFY_SOURCE hardening: memcpy: detected field-spanning write (size 93) of single field "&fh->fb" at fs/overlayfs/export.c:799 (size 21)
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
From cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 · fixed in 012cdef22000f3104e4fa8224ad29fde509b8caf; From cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 · fixed in a77141a06367825d639ac51b04703d551163e36c; From cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 · fixed in 07a96977b2f462337a9121302de64277b8747ab1; From cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 · fixed in cf8aa9bf97cadf85745506c6a3e244b22c268d63
- Linux Linux
5.5
- KernelLinux
From 5.5.0 · fixed in 5.10.248; From 5.11.0 · fixed in 5.15.93; From 5.16.0 · fixed in 6.1.11