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Home CVE Database CVE-2023-34256

CVE-2023-34256

Description

An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4_group_desc_csum does not properly check an offset. NOTE: this is disputed by third parties because the kernel is not intended to defend against attackers with the stated When modifying the block device while it is mounted by the filesystem access.

Priority: --
CVSS v3: 5.5
Component: linux
Publish Date: May 31, 2023
Related ID: --
CVSS v2: MEDIUM
Modified Date: Jun 1, 2023

Find out more about CVE-2023-34256 from the MITRE-CVE dictionary and NIST NVD


Products Affected

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Product Name Status Defect Fixed Downloads
Linux
Wind River Linux LTS 17 Requires LTSS -- -- --
Wind River Linux 8 Requires LTSS -- -- --
Wind River Linux 9 Requires LTSS -- -- --
Wind River Linux 7 Requires LTSS -- -- --
Wind River Linux LTS 21 Investigate -- -- --
Wind River Linux LTS 22 Fixed LIN1022-4435
10.22.33.10 --
Wind River Linux LTS 18 Fixed LIN1018-10759
10.18.44.30 --
Wind River Linux LTS 19 Fixed LIN1019-9886
10.19.45.30 --
Wind River Linux CD release N/A -- -- --
Wind River Linux 6 Requires LTSS -- -- --
Wind River Linux LTS 23 Fixed LIN1023-771
10.23.30.1 --
VxWorks
VxWorks 7 Not Vulnerable -- -- --
VxWorks 6.9 Not Vulnerable -- -- --
Helix Virtualization Platform Cert Edition
Helix Virtualization Platform Cert Edition Not Vulnerable -- -- --

Related Products

Product Name Status Defect Fixed Downloads

Notes
Requires LTSS - customers must have active LTSS (Long Term Security Shield) Support to receive up-to-date information about vulnerabilities that may affect legacy software. Please contact your Wind River account team or see https://docs.windriver.com/bundle/Support_and_Maintenance_Supplemental_Terms_and_Conditions and https://support2.windriver.com/index.php?page=plc for more information.
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