SB2024081364 - 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 19 secuirty vulnerabilities.
1) Spoofing attack (CVE-ID: CVE-2023-52881)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to an error within the tcp_ack() function in net/ipv4/tcp_input.c, which can result in system accepting ACK responses for bytes that were never sent. A remote attacker can perform spoofing attack.
2) Use-after-free (CVE-ID: CVE-2023-52439)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the uio_open() function in drivers/uio/uio.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
3) 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.
4) Use-after-free (CVE-ID: CVE-2022-48637)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the bnxt_tx_int() function in drivers/net/ethernet/broadcom/bnxt/bnxt.c. A local user can escalate privileges on the system.
5) Deserialization of Untrusted Data (CVE-ID: CVE-2024-21823)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insecure deserialization in hardware logic. A local user can perform a denial of service (DoS) attack.
6) 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.
7) NULL pointer dereference (CVE-ID: CVE-2021-47385)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the w83792d_detect_subclients() function in drivers/hwmon/w83792d.c. A local user can perform a denial of service (DoS) attack.
8) Use-after-free (CVE-ID: CVE-2021-47311)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the emac_remove() function in drivers/net/ethernet/qualcomm/emac/emac.c. A local user can escalate privileges on the system.
9) Buffer overflow (CVE-ID: CVE-2021-47566)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the read_from_oldmem() function in fs/proc/vmcore.c. A local user can escalate privileges on the system.
10) Out-of-bounds read (CVE-ID: CVE-2024-36017)
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 do_setvfinfo() function in net/core/rtnetlink.c. A local user can perform a denial of service (DoS) attack.
11) NULL pointer dereference (CVE-ID: CVE-2024-39502)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ionic_qcq_enable() function in drivers/net/ethernet/pensando/ionic/ionic_lif.c. A local user can perform a denial of service (DoS) attack.
12) Use-after-free (CVE-ID: CVE-2023-52885)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the svc_tcp_listen_data_ready() function in net/sunrpc/svcsock.c. A local user can escalate privileges on the system.
13) Buffer overflow (CVE-ID: CVE-2022-48827)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the nfsd4_encode_read() and nfsd4_encode_read_plus() functions in fs/nfsd/nfs4xdr.c, within the nfsd4_read() function in fs/nfsd/nfs4proc.c, within the nfsd3_proc_read() function in fs/nfsd/nfs3proc.c. A local user can perform a denial of service (DoS) attack.
14) Integer underflow (CVE-ID: CVE-2022-48828)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer underflow within the nfsd_setattr() function in fs/nfsd/vfs.c. A local user can execute arbitrary code.
15) Input validation error (CVE-ID: CVE-2022-48829)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the svcxdr_decode_sattr3() function in fs/nfsd/nfs3xdr.c. A local user can perform a denial of service (DoS) attack.
16) Out-of-bounds read (CVE-ID: CVE-2024-41091)
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 tun_xdp_one() function in drivers/net/tun.c. A local user can perform a denial of service (DoS) attack.
17) Out-of-bounds read (CVE-ID: CVE-2024-41090)
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 tap_get_user_xdp() function in drivers/net/tap.c. A local user can perform a denial of service (DoS) attack.
18) 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.
19) Buffer overflow (CVE-ID: CVE-2023-38409)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the set_con2fb_map() function in drivers/video/fbdev/core/fbcon.c. A local user can trigger memory corruption and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.