Riskcovery

CVE-2024-36931

s390/cio: Ensure the copied buf is NUL terminated

State
Published
Severity
Not scored
Published
May 30, 2024
Updated
May 11, 2026
Reserved
May 30, 2024

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

s390/cio: Ensure the copied buf is NUL terminated

Currently, we allocate a lbuf-sized kernel buffer and copy lbuf from userspace to that buffer. Later, we use scanf on this buffer but we don't ensure that the string is terminated inside the buffer, this can lead to OOB read when using scanf. Fix this issue by using memdup_user_nul instead.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • a4f17cc726712a52122ad38540bc3ff3a052d1a4 to before c9d48ce163305595ae20aee27774192476d5e6a5Affected
  • a4f17cc726712a52122ad38540bc3ff3a052d1a4 to before 10452edd175fcc4fd0f5ac782ed2a002e3e5d65cAffected
  • a4f17cc726712a52122ad38540bc3ff3a052d1a4 to before 84b38f48836662c4bfae646c014f4e981e16a2b2Affected
  • a4f17cc726712a52122ad38540bc3ff3a052d1a4 to before 06759ebaf75c19c87b2453a5e130e9e61e9b5d65Affected
  • a4f17cc726712a52122ad38540bc3ff3a052d1a4 to before da7c622cddd4fe36be69ca61e8c42e43cde94784Affected
LinuxLinux
  • 5.13Affected
  • before 5.13Not affected
  • 5.15.159 through 5.15.*Not affected
  • 6.1.91 through 6.1.*Not affected
  • 6.6.31 through 6.6.*Not affected
  • 6.8.10 through 6.8.*Not affected
  • 6.9 and laterNot affected

References

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