EUVD-2023-60486

In the Linux kernel, the following vulnerability has been resolved: net/smc: use smclgrlist.lock to protect smclgrlist.list iterate in smcrportadd While doing smcrportadd, there maybe linkgroup add into or delete from smclgrlist.list at the same time, which may result kernel crash. So, use...

EUVD-2023-60501

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfperfeventoutput The nesting protection in bpfperfeventoutput relies on disabled preemption, which is guaranteed for kprobes and tracepoints. However bpfperfeventoutput can be also called from uprobes...

EUVD-2023-60390

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: Limit TCATAPRIOATTRSCHEDCYCLETIME to INTMAX. syzkaller found zero division error 0 in divs64rem called from getcycletimeelapsed, where sched-cycletime is the divisor. We have tests in parsetaprioschedule so tha...

EUVD-2023-60468

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfeventoutput We received report 1 of kernel crash, which is caused by using nesting protection without disabled preemption. The bpfeventoutput can be called by programs executed by bpfprogrunarraycg...

CVE-2023-54303

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfperfeventoutput The nesting protection in bpfperfeventoutput relies on disabled preemption, which is guaranteed for kprobes and tracepoints. However bpfperfeventoutput can be also called from uprobes...

CVE-2023-54280

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential race when tree connecting ipc Protect access of TCPServerInfo::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in treeconnectdfstarget. Als...

CVE-2023-54237

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix potential panic dues to unprotected smcllcsrvaddlink There is a certain chance to trigger the following panic: PID: 5900 TASK: ffff88c1c8af4100 CPU: 1 COMMAND: "kworker/1:48" 0 ffff9456c1cc79a0 machinekexec at...

CVE-2023-54173

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfeventoutput We received report 1 of kernel crash, which is caused by using nesting protection without disabled preemption. The bpfeventoutput can be called by programs executed by bpfprogrunarraycg...

CVE-2023-54303

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfperfeventoutput The nesting protection in bpfperfeventoutput relies on disabled preemption, which is guaranteed for kprobes and tracepoints. However bpfperfeventoutput can be also called from uprobes...

CVE-2023-54280

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential race when tree connecting ipc Protect access of TCPServerInfo::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in treeconnectdfstarget. Als...

UBUNTU-CVE-2023-54237

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix potential panic dues to unprotected smcllcsrvaddlink There is a certain chance to trigger the following panic: PID: 5900 TASK: ffff88c1c8af4100 CPU: 1 COMMAND: "kworker/1:48" 0 ffff9456c1cc79a0 machinekexec at...

CVE-2023-54173

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfeventoutput We received report 1 of kernel crash, which is caused by using nesting protection without disabled preemption. The bpfeventoutput can be called by programs executed by bpfprogrunarraycg...

CVE-2023-54237

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix potential panic dues to unprotected smcllcsrvaddlink There is a certain chance to trigger the following panic: PID: 5900 TASK: ffff88c1c8af4100 CPU: 1 COMMAND: "kworker/1:48" 0 ffff9456c1cc79a0 machinekexec at...

UBUNTU-CVE-2023-54173

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfeventoutput We received report 1 of kernel crash, which is caused by using nesting protection without disabled preemption. The bpfeventoutput can be called by programs executed by bpfprogrunarraycg...

UBUNTU-CVE-2022-50816

In the Linux kernel, the following vulnerability has been resolved: ipv6: ensure sane device mtu in tunnels Another syzbot report 1 with no reproducer hints at a bug in ip6gre tunnel dev:ip6gretap0 Since ipv6 mcast code makes sure to read dev-mtu once and applies a sanity check on it see commit...

CVE-2023-54318 net/smc: use smc_lgr_list.lock to protect smc_lgr_list.list iterate in smcr_port_add

In the Linux kernel, the following vulnerability has been resolved: net/smc: use smclgrlist.lock to protect smclgrlist.list iterate in smcrportadd While doing smcrportadd, there maybe linkgroup add into or delete from smclgrlist.list at the same time, which may result kernel crash. So, use...

CVE-2023-54318

CVE-2023-54318 affects the Linux kernel and is caused by unsafe concurrent modification of the smc_lgr_list.list during smcr_port_add, which may lead to a NULL pointer dereference and kernel crash. The provided documents specify that the fix is to use smc_lgr_list.lock to protect the iteration of...

CVE-2023-54318 net/smc: use smc_lgr_list.lock to protect smc_lgr_list.list iterate in smcr_port_add

In the Linux kernel, the following vulnerability has been resolved: net/smc: use smclgrlist.lock to protect smclgrlist.list iterate in smcrportadd While doing smcrportadd, there maybe linkgroup add into or delete from smclgrlist.list at the same time, which may result kernel crash. So, use...

CVE-2023-54317 dm flakey: don't corrupt the zero page

In the Linux kernel, the following vulnerability has been resolved: dm flakey: don't corrupt the zero page When we need to zero some range on a block device, the function blkdevissuezeropages submits a write bio with the bio vector pointing to the zero page. If we use dm-flakey with corrupt bio...

CVE-2023-54317 dm flakey: don't corrupt the zero page

In the Linux kernel, the following vulnerability has been resolved: dm flakey: don't corrupt the zero page When we need to zero some range on a block device, the function blkdevissuezeropages submits a write bio with the bio vector pointing to the zero page. If we use dm-flakey with corrupt bio...