SB2024042246 - Ubuntu update for linux
Published: April 22, 2024 Updated: May 6, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2023-24023)
The vulnerability allows a remote attacker to perform a MitM attack.
The vulnerability exists due to improper verification of cryptographic signature in bluetooth implementation. A remote attacker with physical proximity to the system can perform MitM attack and potentially compromise the system.
2) Improper validation of array index (CVE-ID: CVE-2023-52603)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper validation of array index within the dtSplitRoot() function in fs/jfs/jfs_dtree.c. A local user can perform a denial of service (DoS) attack.
3) Use-after-free (CVE-ID: CVE-2023-52600)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in fs/jfs/jfs_mount.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
4) Input validation error (CVE-ID: CVE-2024-26581)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in net/netfilter/nft_set_rbtree.c. A locla user can perform a denial of service (DoS) attack.
5) Buffer overflow (CVE-ID: CVE-2024-26589)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the adjust_ptr_min_max_vals() function in kernel/bpf/verifier.c. A local user can crash the OS kernel.
Remediation
Install update from vendor's website.