Security tracker / CVE-2024-50102

CVE-2024-50102

x86: fix user address masking non-canonical speculation issue

References

• Debian security tracker
• cve.org

Notes

 carnil> Introduced in 2865baf54077 ("x86: support user address masking instead of
 carnil> non-speculative conditional")
 carnil> 6014bc27561f ("x86-64: make access_ok() independent of LAM")
 carnil> b19b74bc99b1 ("x86/mm: Rework address range check in get_user() and
 carnil> put_user()"). Vulnerable versions: 6.4-rc1.

Bugs

Status

Branch	Status
upstream	released (6.12-rc5) [86e6b1547b3d013bc392adf775b89318441403c2]
6.18-upstream-stable	N/A "Fixed before branching point"
6.17-upstream-stable	N/A "Fixed before branching point"
6.12-upstream-stable	N/A "Fixed before branching point"
6.11-upstream-stable	released (6.11.6) [291313693677a345d4f50aae3c68e28b469f601e]
6.6-upstream-stable	needed
6.1-upstream-stable	N/A "Vulnerable code not present"
5.10-upstream-stable	N/A "Vulnerable code not present"
4.19-upstream-stable	N/A "Vulnerable code not present"
sid	released (6.11.6-1)
6.12-trixie-security	N/A "Fixed before branching point"
6.1-bookworm-security	N/A "Vulnerable code not present"
5.10-bullseye-security	N/A "Vulnerable code not present"