CVE-2022-49122
dm ioctl: prevent potential spectre v1 gadget
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- 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
Summary
In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevent potential spectre v1 gadget It appears like cmd could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.12
References 9
git.kernel.org
- stable/c/76c94651005f58885facf9c973007f5ea01ab01f
- stable/c/58880025e3362024f6d8ea01cb0c7a5df6c84ba6
- stable/c/7ae2c5b89da3cfaf856df880af27d3bb32a74b3d
- stable/c/0320bac5801b31407200227173205d017488f140
- stable/c/71c8df33fd777c7628f6fbc09b14e84806c55914
- stable/c/02cc46f397eb3691c56affbd5073e54f7a82ac32
- stable/c/44e6cb3ab177faae840bb2c1ebda9a2539876184
- stable/c/dd86064417de828ff2102ddc6049c829bf7585b4
- stable/c/cd9c88da171a62c4b0f1c70e50c75845969fbc18