DEBIAN-CVE-2024-56654

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix using rcureadunlock while iterating The usage of rcureadunlock while inside listforeachentryrcu is not safe since for the most part entries fetched this way shall be treated as rcudereference: Note that t...

UBUNTU-CVE-2024-56655

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: do not defer rule destruction via callrcu nftableschaindestroy can sleep, it can't be used from callrcu callbacks. Moreover, nftablesrulerelease is only safe for error unwinding, while transaction mutex is he...

DEBIAN-CVE-2024-56547

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix missed RCU barrier on deoffloading Currently, running rcutorture test with torturetype=rcu fwdprogress=8 nbarriercbs=8 nocbsnthreads=8 nocbstoggle=100 onoffinterval=60 testboost=2, will trigger the following warning...

UBUNTU-CVE-2024-56547

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix missed RCU barrier on deoffloading Currently, running rcutorture test with torturetype=rcu fwdprogress=8 nbarriercbs=8 nocbsnthreads=8 nocbstoggle=100 onoffinterval=60 testboost=2, will trigger the following warning...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a post-release reuse issue caused by a mismatch between the bpfprog and attachment RCU flavors in the bpf...

CVE-2024-53160 rcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu

In the Linux kernel, the following vulnerability has been resolved: rcu/kvfree: Fix data-race in modtimer / kvfreecallrcu KCSAN reports a data race when access the krcp-monitorwork.timer.expires variable in the scheduledelayedmonitorwork function: BUG: KCSAN: data-race in modtimer / kvfreecallrcu...

Security update for the Linux Kernel (Live Patch 46 for SLE 15 SP2)

This update for the Linux Kernel 5.3.18-15020024183 fixes several issues. The following security issues were fixed: CVE-2024-36904: tcp: Use refcountincnotzero in tcptwskunique bsc1225733. CVE-2024-43861: Fix memory leak for not ip packets bsc1229553. CVE-2021-47600: dm btree remove: fix use afte...

SUSE CVE-2024-53139

In the Linux kernel, the following vulnerability has been resolved: sctp: fix possible UAF in sctpv6available A lockdep report 1 with CONFIGPROVERCULIST=y hints that sctpv6available is calling devgetbyindexrcu and ipv6chkaddr without holding rcu. 1 ============================= WARNING: suspiciou...

DEBIAN-CVE-2024-53139

In the Linux kernel, the following vulnerability has been resolved: sctp: fix possible UAF in sctpv6available A lockdep report 1 with CONFIGPROVERCULIST=y hints that sctpv6available is calling devgetbyindexrcu and ipv6chkaddr without holding rcu. 1 ============================= WARNING: suspiciou...

kernel: udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port()

In the Linux kernel, the following vulnerability has been resolved: udp: Set SOCKRCUFREE earlier in udplibgetport. syzkaller triggered the warning 0 in udpv4earlydemux. In udpv46earlydemux and sklookup, we do not touch the refcount of the looked-up sk and use sockpfree as skb-destructor, so we...

kernel: udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port()

In the Linux kernel, the following vulnerability has been resolved: udp: Set SOCKRCUFREE earlier in udplibgetport. syzkaller triggered the warning 0 in udpv4earlydemux. In udpv46earlydemux and sklookup, we do not touch the refcount of the looked-up sk and use sockpfree as skb-destructor, so we...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix vlan use-after-free syzbot reported a suspicious rcu usage1 in bridge's mst code. While fixing it I noticed that nothing prevents a vlan to be freed while walking the list from the same path br forward delay...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fixed the buffer overflow in showrcutasksTracegpkthread. There is a possibility of buffer overflow in showrcutasksTracegpkthread if the counters passed to sprintf are very large. The counter values used for this functi...

SUSE CVE-2024-50304

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex and iptunnelfind is only called from the control path where the mutex is taken. Add a lockdep...

SUSE CVE-2024-53042

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow There are code paths from which the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. Fix by using...

SUSE CVE-2024-53047

In the Linux kernel, the following vulnerability has been resolved: mptcp: init: protect sched with rcureadlock Enabling CONFIGPROVERCULIST with its dependence CONFIGRCUEXPERT creates this splat when an MPTCP socket is created: ============================= WARNING: suspicious RCU usage 6.12.0-rc...

AZL-53441 CVE-2024-50304 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex and iptunnelfind is only called from the control path where the mutex is taken. Add a lockdep...

DEBIAN-CVE-2024-50304

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex and iptunnelfind is only called from the control path where the mutex is taken. Add a lockdep...

UBUNTU-CVE-2024-53042

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow There are code paths from which the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. Fix by using...

UBUNTU-CVE-2024-50304

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex and iptunnelfind is only called from the control path where the mutex is taken. Add a lockdep...