Description
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race in mptcp_pm_nl_flush_addrs_doit() syzbot and Eulgyu Kim reported crashes in mptcp_pm_nl_get_local_id() and/or mptcp_pm_nl_is_backup() Root cause is list_splice_init() in mptcp_pm_nl_flush_addrs_doit() which is not RCU ready. list_splice_init_rcu() can not be called here while holding pernet->lock spinlock. Many thanks to Eulgyu Kim for providing a repro and testing our patches.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 12 | | =6.1.106-1 || =6.1.106-2 || =6.1.106-3 || =6.1.112-1 || =6.1.115-1 || =6.1.119-1 || =6.1.123-1 || =6.1.124-1 || =6.1.128-1 || =6.1.129-1 || =6.1.133-1 || =6.1.135-1 || =6.1.137-1 || =6.1.139-1 || =6.1.140-1 || =6.1.147-1 || =6.1.148-1 || =6.1.153-1 || =6.1.158-1 || =6.1.159-1 || =6.1.162-1 || =6.1.27-1 || =6.1.37-1 || =6.1.38-1 || =6.1.38-2 || =6.1.38-2~bpo11+1 || =6.1.38-3 || =6.1.38-4 || =6.1.38-4~bpo11+1 || =6.1.52-1 || =6.1.55-1 || =6.1.55-1~bpo11+1 || =6.1.64-1 || =6.1.66-1 || =6.1.67-1 || =6.1.69-1 || =6.1.69-1~bpo11+1 || =6.1.76-1 || =6.1.76-1~bpo11+1 || =6.1.82-1 || =6.1.85-1 || =6.1.90-1 || =6.1.90-1~bpo11+1 || =6.1.94-1 || =6.1.94-1~bpo11+1 || =6.1.98-1 || =6.1.99-1 || >=0 <6.1.164-1 | 6.1.164-1 |
debian 14 | | =6.12.38-1 || =6.12.41-1 || =6.12.43-1 || =6.12.43-1~bpo12+1 || =6.12.48-1 || =6.12.57-1 || =6.12.57-1~bpo12+1 || =6.12.63-1 || =6.12.63-1~bpo12+1 || =6.12.69-1 || =6.12.69-1~bpo12+1 || =6.12.73-1 || =6.12.73-1~bpo12+1 || =6.12.74-1 || =6.12.74-2 || =6.12.74-2~bpo12+1 || =6.13.10-1~exp1 || =6.13.11-1~exp1 || =6.13.2-1~exp1 || =6.13.3-1~exp1 || =6.13.4-1~exp1 || =6.13.5-1~exp1 || =6.13.6-1~exp1 || =6.13.7-1~exp1 || =6.13.8-1~exp1 || =6.13.9-1~exp1 || =6.13~rc6-1~exp1 || =6.13~rc7-1~exp1 || =6.14.3-1~exp1 || =6.14.5-1~exp1 || =6.14.6-1~exp1 || =6.15-1~exp1 || =6.15.1-1~exp1 || =6.15.2-1~exp1 || =6.15.3-1~exp1 || =6.15.4-1~exp1 || =6.15.5-1~exp1 || =6.15.6-1~exp1 || =6.15~rc7-1~exp1 || =6.16-1~exp1 || =6.16.1-1~exp1 || =6.16.10-1 || =6.16.11-1 || =6.16.12-1 || =6.16.12-1~bpo13+1 || =6.16.12-2 || =6.16.3-1 || =6.16.3-1~bpo13+1 || =6.16.5-1 || =6.16.6-1 || =6.16.7-1 || =6.16.8-1 || =6.16.9-1 || =6.16~rc7-1~exp1 || =6.17.10-1 || =6.17.11-1 || =6.17.12-1 || =6.17.13-1 || =6.17.13-1~bpo13+1 || =6.17.2-1~exp1 || =6.17.5-1~exp1 || =6.17.6-1 || =6.17.7-1 || =6.17.7-2 || =6.17.8-1 || =6.17.8-1~bpo13+1 || =6.17.9-1 || =6.18.1-1~exp1 || =6.18.2-1~exp1 || =6.18.3-1 || =6.18.5-1 || =6.18.5-1~bpo13+1 || =6.18.8-1 || =6.18.9-1~bpo13+1 || =6.18~rc4-1~exp1 || =6.18~rc4-1~exp2 || =6.18~rc5-1~exp1 || =6.18~rc6-1~exp1 || =6.18~rc7-1~exp1 || >=0 <6.18.9-1 | 6.18.9-1 |
debian 13 | | =6.12.38-1 || =6.12.41-1 || =6.12.43-1 || =6.12.43-1~bpo12+1 || =6.12.48-1 || =6.12.57-1 || =6.12.57-1~bpo12+1 || =6.12.63-1 || =6.12.63-1~bpo12+1 || =6.12.69-1 || =6.12.69-1~bpo12+1 || =6.12.73-1~bpo12+1 || >=0 <6.12.73-1 | 6.12.73-1 |
 rpm rhel10 | | - | - |
debian 11 | | =6.1.106-3~deb11u1 || =6.1.106-3~deb11u2 || =6.1.106-3~deb11u3 || =6.1.112-1~deb11u1 || =6.1.119-1~deb11u1 || =6.1.128-1~deb11u1 || =6.1.129-1~deb11u1 || =6.1.137-1~deb11u1 || =6.1.140-1~deb11u1 || =6.1.147-1~deb11u1 || =6.1.148-1~deb11u1 || =6.1.153-1~deb11u1 || =6.1.158-1~deb11u1 || =6.1.159-1~deb11u1 || =6.1.162-1~deb11u1 || >=0 <6.1.164-1~deb11u1 | 6.1.164-1~deb11u1 |
