CVE-2022-49938

cifs: fix small mempool leak in SMB2_negotiate()

Summary

Original description

The description as published by the source.

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

cifs: fix small mempool leak in SMB2_negotiate()

In some cases of failure (dialect mismatches) in SMB2_negotiate(), after
the request is sent, the checks would return -EIO when they should be
rather setting rc = -EIO and jumping to neg_exit to free the response
buffer from mempool.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Affected packages

Linux Kernel

[{"type":"ECOSYSTEM","events":[{"introduced":"4.14.0"},{"fixed":"5.15.66"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"5.19.8"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2022-49938 linux
Ubuntu UBUNTU-CVE-2022-49938 linux

References

advisory github.com
advisory nvd.nist.gov
package git.kernel.org
web git.kernel.org
web git.kernel.org
web git.kernel.org