SB2024121161 - Red Hat Enterprise Linux 8 update for kernel-rt
Published: December 11, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 9 secuirty vulnerabilities.
1) Improper locking (CVE-ID: CVE-2024-46695)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the smack_inode_notifysecctx() function in security/smack/smack_lsm.c, within the selinux_inode_notifysecctx() function in security/selinux/hooks.c. A local user can perform a denial of service (DoS) attack.
2) NULL pointer dereference (CVE-ID: CVE-2024-49949)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the qdisc_pkt_len_init() function in net/core/dev.c. A local user can perform a denial of service (DoS) attack.
3) Improper locking (CVE-ID: CVE-2024-50082)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the rq_qos_wake_function() function in block/blk-rq-qos.c. A local user can perform a denial of service (DoS) attack.
4) Improper locking (CVE-ID: CVE-2024-50099)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the arm_probe_decode_insn() and arm_kprobe_decode_insn() functions in arch/arm64/kernel/probes/decode-insn.c. A local user can perform a denial of service (DoS) attack.
5) Memory leak (CVE-ID: CVE-2024-50110)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the copy_to_user_auth() function in net/xfrm/xfrm_user.c. A local user can perform a denial of service (DoS) attack.
6) Input validation error (CVE-ID: CVE-2024-50142)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the verify_newsa_info() function in net/xfrm/xfrm_user.c. A local user can perform a denial of service (DoS) attack.
7) Resource management error (CVE-ID: CVE-2024-50192)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the its_build_vmapp_cmd(), its_vpe_set_affinity() and its_vpe_init() functions in drivers/irqchip/irq-gic-v3-its.c. A local user can perform a denial of service (DoS) attack.
8) Improper error handling (CVE-ID: CVE-2024-50256)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the nf_reject6_fill_skb_dst() and nf_send_reset6() functions in net/ipv6/netfilter/nf_reject_ipv6.c. A local user can perform a denial of service (DoS) attack.
9) Use-after-free (CVE-ID: CVE-2024-50264)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the virtio_transport_destruct() function in net/vmw_vsock/virtio_transport_common.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.