UBUNTU-CVE-2023-53635

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix wrong ct-timeout value struct nfconn-timeout is an interval before the conntrack confirmed. After confirmed, it becomes a timestamp. It is observed that timeout of an unconfirmed conntrack: - Set by...

UBUNTU-CVE-2023-53685

In the Linux kernel, the following vulnerability has been resolved: tun: Fix memory leak for detached NAPI queue. syzkaller reported 0 memory leaks of sk and skb related to the TUN device with no repro, but we can reproduce it easily with: struct ifreq ifr = int fdtun, fdtmp; char buf4 = ; fdtun ...

UBUNTU-CVE-2022-50530

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix null pointer dereference in blkmqclearrqmapping Our syzkaller report a null pointer dereference, root cause is following: blkmqallocmapandrqs set-tagshctxidx = blkmqallocmapandrqs blkmqallocmapandrqs blkmqallocrqs //...

UBUNTU-CVE-2022-50552

In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues The hctx's runwork may be racing with the elevator switch when reinitializing hardware queues. The queue is merely frozen in this context, but that only prevents...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_2

This update for kernel-livepatch-MICRO-6-0-RTUpdate2 fixes the following issues: CVE-2024-50154: tcp/dccp: Don't use timerpending in reqskqueueunlink bsc1233072 CVE-2025-21692: net: sched: fix ets qdisc OOB Indexing bsc1237048 CVE-2025-21791: vrf: use RCU protection in l3mdevl3out bsc1240744...

SUSE-SU-2025:20827-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_5

This update for kernel-livepatch-MICRO-6-0-RTUpdate5 fixes the following issues: - CVE-2025-21692: net: sched: fix ets qdisc OOB Indexing bsc1237048 - CVE-2025-21791: vrf: use RCU protection in l3mdevl3out bsc1240744 - CVE-2025-38089: sunrpc: handle SVCGARBAGE during svc auth processing as auth...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_6

This update for kernel-livepatch-MICRO-6-0-RTUpdate6 fixes the following issues: CVE-2025-38089: sunrpc: handle SVCGARBAGE during svc auth processing as auth error bsc1245509 CVE-2025-38477: net/sched: schqfq: Fix race condition on qfqaggregate bsc1247315 Patch Instructions: To install this SUSE...

EUVD-2025-32720

In the Linux kernel, the following vulnerability has been resolved: tun: Fix memory leak for detached NAPI queue. syzkaller reported 0 memory leaks of sk and skb related to the TUN device with no repro, but we can reproduce it easily with: struct ifreq ifr = int fdtun, fdtmp; char buf4 = ; fdtun ...

CVE-2023-53685 tun: Fix memory leak for detached NAPI queue.

In the Linux kernel, the following vulnerability has been resolved: tun: Fix memory leak for detached NAPI queue. syzkaller reported 0 memory leaks of sk and skb related to the TUN device with no repro, but we can reproduce it easily with: struct ifreq ifr = int fdtun, fdtmp; char buf4 = ; fdtun ...

CVE-2023-53685

The CVE-2023-53685 issue affects the Linux kernel tun driver when a TUN device is configured with IFF_TUN, IFF_NAPI, and IFF_MULTI_QUEUE and the queue is detached while a write happens. A memory leak can occur by enqueuing skbs into tfile->sk_write_queue after the queue is detached, due to a r...

CVE-2023-53685

In the Linux kernel, the following vulnerability has been resolved: tun: Fix memory leak for detached NAPI queue. syzkaller reported 0 memory leaks of sk and skb related to the TUN device with no repro, but we can reproduce it easily with: struct ifreq ifr = int fdtun, fdtmp; char buf4 = ; fdtun ...

CVE-2023-53685 tun: Fix memory leak for detached NAPI queue.

In the Linux kernel, the following vulnerability has been resolved: tun: Fix memory leak for detached NAPI queue. syzkaller reported 0 memory leaks of sk and skb related to the TUN device with no repro, but we can reproduce it easily with: struct ifreq ifr = int fdtun, fdtmp; char buf4 = ; fdtun ...

CVE-2022-50554 blk-mq: avoid double ->queue_rq() because of early timeout

In the Linux kernel, the following vulnerability has been resolved: blk-mq: avoid double -queuerq because of early timeout David Jeffery found one double -queuerq issue, so far it can be triggered in VM use case because of long vmexit latency or preempt latency of vCPU pthread or long page fault ...

CVE-2022-50554

In the Linux kernel, the following vulnerability has been resolved: blk-mq: avoid double -queuerq because of early timeout David Jeffery found one double -queuerq issue, so far it can be triggered in VM use case because of long vmexit latency or preempt latency of vCPU pthread or long page fault ...

CVE-2022-50552 blk-mq: use quiesced elevator switch when reinitializing queues

In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues The hctx's runwork may be racing with the elevator switch when reinitializing hardware queues. The queue is merely frozen in this context, but that only prevents...

EUVD-2025-32804

In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues The hctx's runwork may be racing with the elevator switch when reinitializing hardware queues. The queue is merely frozen in this context, but that only prevents...

CVE-2022-50552

CVE-2022-50552 : In the Linux kernel, the blk-mq path had a race where hctx->run_work could race with the elevator switch during reinitialization of hardware queues, potentially leading to use-after-free and kernel panics. The fix switches to a quiesced elevator switch and makes the previous e...

CVE-2022-50552

In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues The hctx's runwork may be racing with the elevator switch when reinitializing hardware queues. The queue is merely frozen in this context, but that only prevents...

CVE-2022-50552 blk-mq: use quiesced elevator switch when reinitializing queues

In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues The hctx's runwork may be racing with the elevator switch when reinitializing hardware queues. The queue is merely frozen in this context, but that only prevents...

CVE-2023-53635 netfilter: conntrack: fix wrong ct->timeout value

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix wrong ct-timeout value struct nfconn-timeout is an interval before the conntrack confirmed. After confirmed, it becomes a timestamp. It is observed that timeout of an unconfirmed conntrack: - Set by...