CVE-2022-49709

In the Linux kernel, the following vulnerability has been resolved: cfi: Fix cfislowpathdiag RCU usage with cpuidle RCUNONIDLE usage during cfislowpathdiag can result in an invalid RCU state in the cpuidle code path: WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 rcueqsenter+0xe4/0x138 ... Call...

CVE-2022-49662

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix lockdep splat in in6dumpaddrs As reported by syzbot, we should not use rcudereference when rcureadlock is not held. WARNING: suspicious RCU usage 5.19.0-rc2-syzkaller 0 Not tainted net/ipv6/addrconf.c:5175 suspicious...

DEBIAN-CVE-2022-49662

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix lockdep splat in in6dumpaddrs As reported by syzbot, we should not use rcudereference when rcureadlock is not held. WARNING: suspicious RCU usage 5.19.0-rc2-syzkaller 0 Not tainted net/ipv6/addrconf.c:5175 suspicious...

UBUNTU-CVE-2022-49709

In the Linux kernel, the following vulnerability has been resolved: cfi: Fix cfislowpathdiag RCU usage with cpuidle RCUNONIDLE usage during cfislowpathdiag can result in an invalid RCU state in the cpuidle code path: WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 rcueqsenter+0xe4/0x138 ... Call...

CVE-2022-49709 cfi: Fix __cfi_slowpath_diag RCU usage with cpuidle

In the Linux kernel, the following vulnerability has been resolved: cfi: Fix cfislowpathdiag RCU usage with cpuidle RCUNONIDLE usage during cfislowpathdiag can result in an invalid RCU state in the cpuidle code path: WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 rcueqsenter+0xe4/0x138 ... Call...

CVE-2022-49709

CVE-2022-49709 is a Linux kernel issue where using RCU_NONIDLE during the __cfi_slowpath_diag cpuidle code path can leave the RCU state invalid. The concrete details across connected documents show the root cause: improper RCU usage in cpuidle, leading to a warning trace (rcu_eqs_enter, rcu_idle_...

CVE-2022-49709

In the Linux kernel, the following vulnerability has been resolved: cfi: Fix cfislowpathdiag RCU usage with cpuidle RCUNONIDLE usage during cfislowpathdiag can result in an invalid RCU state in the cpuidle code path: WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 rcueqsenter+0xe4/0x138 ... Call...

CVE-2022-49709 cfi: Fix __cfi_slowpath_diag RCU usage with cpuidle

In the Linux kernel, the following vulnerability has been resolved: cfi: Fix cfislowpathdiag RCU usage with cpuidle RCUNONIDLE usage during cfislowpathdiag can result in an invalid RCU state in the cpuidle code path: WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 rcueqsenter+0xe4/0x138 ... Call...

CVE-2022-49662

CVE-2022-49662 : Linux kernel vulnerability involving a lockdep splat in in6_dump_addrs() due to incorrect use of rcu_dereference() without rcu_read_lock() held. Affects net/ipv6/addrconf.c (illustrated at line ~5175) and is shown in the provided stack trace (in6_dump_addrs → inet6_dump_addr → ne...

CVE-2022-49662 ipv6: fix lockdep splat in in6_dump_addrs()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix lockdep splat in in6dumpaddrs As reported by syzbot, we should not use rcudereference when rcureadlock is not held. WARNING: suspicious RCU usage 5.19.0-rc2-syzkaller 0 Not tainted net/ipv6/addrconf.c:5175 suspicious...

CVE-2022-49662

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix lockdep splat in in6dumpaddrs As reported by syzbot, we should not use rcudereference when rcureadlock is not held. WARNING: suspicious RCU usage 5.19.0-rc2-syzkaller 0 Not tainted net/ipv6/addrconf.c:5175 suspicious...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfnetlinkqueue: acquire rcureadlock in instanceDestroyrcu syzbot reported that nfreinject could be called without rcureadlock: WARNING: suspicious RCU usage 6.9.0-rc7-syzkaller-02060-g5c1672705a1a 0 Not tainted...

UBUNTU-CVE-2024-56743

In the Linux kernel, the following vulnerability has been resolved: nfscommon: must not hold RCU while calling nfsdfileputlocal Move holding the RCU from nfstonfsdfileputlocal to nfstonfsdnetput. It is the call to nfsto-nfsdservput that requires the RCU anyway the puts for nfsdfile and netns were...

UBUNTU-CVE-2024-56703

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix soft lockups in fib6selectpath under high next hop churn Soft lockups have been observed on a cluster of Linux-based edge routers located in a highly dynamic environment. Using the bird service, these routers continuous...

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...

CVE-2024-53139 sctp: fix possible UAF in sctp_v6_available()

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...

CVE-2024-53139

The CVE-2024-53139 entry concerns the Linux kernel SCTP stack. A fix for a possible use-after-free in sctp_v6_available() is described, prompted by a lockdep warning showing sctp_v6_available() calling dev_get_by_index_rcu() and ipv6_chk_addr() without holding RCU. The description notes a stack t...

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...

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...

Unspecified vulnerability in Linux kernel (CNVD-2024-46426)

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 an RCU usage warning during mptcp socket creation. No details of the vulnerability are provided at this time...