SB2023032906 - Multiple vulnerabilities in Linux kernel ntfs3

Description

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2022-48424)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within fs/ntfs3/inode.c in Linux kernel. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

2) Out-of-bounds write (CVE-ID: CVE-2022-48423)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within fs/ntfs3/record.c in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.3
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4f1dc7d9756e66f3f876839ea174df2e656b7f79
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54e45702b648b7c0000e90b3e9b890e367e16ea8