SB2024081315 - Red Hat Enterprise Linux 8 update for kernel
Published: August 13, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 22 secuirty vulnerabilities.
1) Memory leak (CVE-ID: CVE-2023-52610)
The vulnerability allows a local user to perform DoS attack on the target system.
The vulnerability exists due memory leak in net/sched/act_ct.c. A local user can force the kernel to leak memory and perform denial of service 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) Race condition (CVE-ID: CVE-2024-26583)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition between async notify and socket close in TLS implementation in net/tls/tls_sw.c. A remote attacker can send specially crafted traffic to the system, trigger a race condition and perform a denial of service (DoS) attack.
4) Race condition (CVE-ID: CVE-2024-26585)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition within the tls_encrypt_done() function in net/tls/tls_sw.c. A remote attacker user can send specially crafted requests to the system and perform a denial of service (DoS) attack.
5) Memory leak (CVE-ID: CVE-2024-35852)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the mlxsw_sp_acl_tcam_vregion_destroy() function in drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c. A local user can perform a denial of service (DoS) attack.
6) Improper locking (CVE-ID: CVE-2024-26686)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the do_task_stat() function in fs/proc/array.c. A local user can perform a denial of service (DoS) attack.
7) Resource exhaustion (CVE-ID: CVE-2022-48627)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.
8) Buffer overflow (CVE-ID: CVE-2024-26870)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the nfs4_listxattr() function in fs/nfs/nfs4proc.c. A local user can escalate privileges on the system.
9) Error handling (CVE-ID: CVE-2024-26584)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an error when handling backlogging of crypto requests in net/tls/tls_sw.c. A remote attacker can send specially crafted traffic to the system and perform a denial of service attack.
10) NULL pointer dereference (CVE-ID: CVE-2023-52448)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in gfs2_rgrp_dump() function. A local user can perform a denial of service (DoS) attack.
11) Use-after-free (CVE-ID: CVE-2024-36886)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a use-after-free error within the tipc_buf_append() function in net/tipc/msg.c when processing fragmented TIPC messages. A remote attacker can send specially crafted packets to the system, trigger a use-after-free error and execute arbitrary code on the system in the context of the kernel.
12) Buffer overflow (CVE-ID: CVE-2024-26733)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the arp_req_get() function in net/ipv4/arp.c. A local user can escalate privileges on the system.
13) Use of uninitialized resource (CVE-ID: CVE-2024-38538)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the EXPORT_SYMBOL_GPL() and br_dev_xmit() functions in net/bridge/br_device.c. A local user can perform a denial of service (DoS) attack.
14) Improper locking (CVE-ID: CVE-2024-35910)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the tcp_close() function in net/ipv4/tcp.c, within the inet_csk_clear_xmit_timers() function in net/ipv4/inet_connection_sock.c. A local user can perform a denial of service (DoS) attack.
15) Use of uninitialized resource (CVE-ID: CVE-2024-36020)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the i40e_reset_all_vfs() function in drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c. A local user can perform a denial of service (DoS) attack.
16) Use-after-free (CVE-ID: CVE-2024-38555)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cmd_comp_notifier() function in drivers/net/ethernet/mellanox/mlx5/core/cmd.c. A local user can escalate privileges on the system.
17) Use-after-free (CVE-ID: CVE-2024-36971)
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to a use-after-free error within the xfrm_link_failure() function in net/xfrm/xfrm_policy.c, within the dst_entry ip6_dst_check() and ip6_dst_check() functions in net/ipv6/route.c, within the dst_entry ipv4_dst_check() and ip_do_redirect() functions in net/ipv4/route.c. A remote attacker can send specially crafted packets to the system and execute arbitrary code.
Note, the vulnerability is being actively exploited in the wild.
18) 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.
19) Input validation error (CVE-ID: CVE-2024-26982)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the squashfs_new_inode() function in fs/squashfs/inode.c. A local user can perform a denial of service (DoS) attack.
20) Resource management error (CVE-ID: CVE-2024-26640)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the skb_advance_to_frag() function in net/ipv4/tcp.c. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack.
21) Information disclosure (CVE-ID: CVE-2023-20569)
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to a side channel issue in AMD CPUs. A remote user can influence the return address prediction and gain unauthorized access to sensitive information on the system.
22) Reachable Assertion (CVE-ID: CVE-2024-36000)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to reachable assertion within the alloc_huge_page() function in mm/hugetlb.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.