CVE-2024-26936

NameCVE-2024-26936
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ksmbd: validate request buffer size in smb2_allocate_rsp_buf() The response buffer should be allocated in smb2_allocate_rsp_buf before validating request. But the fields in payload as well as smb2 header is used in smb2_allocate_rsp_buf(). This patch add simple buffer size validation to avoid potencial out-of-bounds in request buffer.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-5680-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.218-1vulnerable
bullseye (security)5.10.221-1vulnerable
bookworm6.1.94-1fixed
bookworm (security)6.1.99-1fixed
trixie6.9.10-1fixed
sid6.9.11-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebookworm6.1.90-1DSA-5680-1
linuxsource(unstable)6.8.9-1

Notes

https://git.kernel.org/linus/17cf0c2794bdb6f39671265aa18aea5c22ee8c4a (6.9-rc6)

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