CVE-2022-47938 — Out-of-bounds Read in Kernel

CWE-125 — Out-of-bounds Read6 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
6.1%
top 9.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Linux KernelDebian LinuxMsrc Cbl2 Kernel 5.15.86.1-1 ON CBL Mariner 2.0
Timeline
PublishedDec 23

Description

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel5.15 — 5.19.2
▶Debianlinux/linux_kernel< 5.19.6-1+2
▶debiandebian/linux< linux 5.19.6-1 (bookworm)

Patches

Patch: cdn.kernel.org ↗Patch: git.kernel.org ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2022-47938: An issue was discovered in ksmbd in the Linux kernel 5↗2022-12-23
▶
GHSA
GHSA-jcw4-9ccq-g3rh: An issue was discovered in ksmbd in the Linux kernel before 5↗2022-12-23
▶

📋Vendor Advisories

3
Red Hat
kernel: improper input validation in handling of SMB2_TREE_CONNECT command can result in out-of-bounds read which could result in DoS↗2022-12-22
▶
Microsoft
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.↗2022-12-13
▶
Debian
CVE-2022-47938: linux - An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5....↗2022
▶