CVE-2023-52441
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds in init_smb2_rsp_hdr() If client send smb2 negotiate request and then send smb1 negotiate request, init_smb2_rsp_hdr is called for smb1 negotiate request since…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds in init_smb2_rsp_hdr() If client send smb2 negotiate request and then send smb1 negotiate request, init_smb2_rsp_hdr is called for smb1 negotiate request since need_neg is set to false. This patch ignore smb1 packets after ->need_neg is set to false.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.68% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bcPatch
- https://git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452bPatch
- https://git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40bPatch
- https://git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895fPatch
- https://git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bcPatch
- https://git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452bPatch
- https://git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40bPatch
- https://git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895fPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.