SB2024070972 - SUSE update for the Linux Kernel (Live Patch 40 for SLE 15 SP3)
Published: July 9, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2021-47383)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the vc_do_resize() function in drivers/tty/vt/vt.c. A local user can perform a denial of service (DoS) attack.
2) Integer overflow (CVE-ID: CVE-2024-23307)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow in raid5_cache_count() function. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.
3) Integer underflow (CVE-ID: CVE-2024-26828)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer underflow within the parse_server_interfaces() function in fs/smb/client/smb2ops.c. A local user can execute arbitrary code.
4) Improper locking (CVE-ID: CVE-2024-26923)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper locking within the unix_gc() function in net/unix/garbage.c due to garbage collector does not take into account the risk of embryo getting enqueued during the garbage collection. A local user can execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.