SB2024091841 - Red Hat Enterprise Linux 8 update for kernel
Published: September 18, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 secuirty vulnerabilities.
1) Double free (CVE-ID: CVE-2024-26704)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the ext4_move_extents() function in fs/ext4/move_extent.c. A local user can perform a denial of service (DoS) attack.
2) Improper locking (CVE-ID: CVE-2024-26773)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ext4_mb_try_best_found() function in fs/ext4/mballoc.c. A local user can perform a denial of service (DoS) attack.
3) Improper locking (CVE-ID: CVE-2024-26772)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ext4_mb_find_by_goal() function in fs/ext4/mballoc.c. A local user can perform a denial of service (DoS) attack.
4) Race condition within a thread (CVE-ID: CVE-2024-27020)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to a data race within the __nft_expr_type_get() and nft_expr_type_get() functions in net/netfilter/nf_tables_api.c. A local user can execute arbitrary code.
5) Race condition within a thread (CVE-ID: CVE-2024-27019)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a data race within the __nft_obj_type_get() and nft_obj_type_get() functions in net/netfilter/nf_tables_api.c. A local user can gain access to sensitive information.
6) Out-of-bounds read (CVE-ID: CVE-2022-48687)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to an out-of-bounds read error within the seg6_genl_sethmac() function in net/ipv6/seg6.c. A local user can gain access to sensitive information.
7) Race condition within a thread (CVE-ID: CVE-2024-35898)
The vulnerability allows a local user to manipulate data.
The vulnerability exists due to a data race within the nf_tables_flowtable_parse_hook() and nft_flowtable_type_get() functions in net/netfilter/nf_tables_api.c. A local user can manipulate data.
8) Buffer overflow (CVE-ID: CVE-2021-47352)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the receive_small(), rcu_read_unlock() and receive_mergeable() functions in drivers/net/virtio_net.c. A local user can perform a denial of service (DoS) attack.
9) Improper error handling (CVE-ID: CVE-2021-47492)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the collapse_file() function in mm/khugepaged.c. A local user can perform a denial of service (DoS) attack.
10) Input validation error (CVE-ID: CVE-2024-41009)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the __aligned(), bpf_ringbuf_alloc(), bpf_ringbuf_restore_from_rec() and __bpf_ringbuf_reserve() functions in kernel/bpf/ringbuf.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.