SB2024062677 - Improper locking in Linux kernel

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Main Vulnerability Database SB2024062677

SB2024062677 - Improper locking in Linux kernel

Published: June 26, 2024 Updated: May 13, 2025

Security Bulletin ID SB2024062677
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper locking (CVE-ID: CVE-2024-35839)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the nf_reject6_fill_skb_dst() and nf_send_reset6() functions in net/ipv6/netfilter/nf_reject_ipv6.c, within the nf_reject_fill_skb_dst() and nf_send_reset() functions in net/ipv4/netfilter/nf_reject_ipv4.c, within the br_nf_pre_routing_finish_ipv6() function in net/bridge/br_netfilter_ipv6.c, within the br_nf_pre_routing_finish_bridge(), br_nf_ipv4_daddr_was_changed(), bridge_parent_rtable(), skb_dst_set_noref(), setup_pre_routing(), br_nf_forward_finish(), ip_sabotage_in() and br_nf_pre_routing_finish_bridge_slow() functions in net/bridge/br_netfilter_hooks.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References