CVE-2026-74572 btrfs: zoned: fix deadlock between metadata writeback and transaction commit

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix deadlock between metadata writeback and transaction commit When writing out metadata extent buffers in a zoned filesystem, btreewritepages holds fsinfo-zonedmetaiolock across the whole writeback loop, including...

CVE-2026-74572

CVE-2026-74572 affects the Linux kernel’s btrfs zoned feature, causing a deadlock between metadata writeback and transaction commit. When writing metadata extent buffers, btree_writepages() holds fs_info->zoned_meta_io_lock across the writeback loop, including calls to check_bg_is_active(). In...

EUVD-2026-59637

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix deadlock between metadata writeback and transaction commit When writing out metadata extent buffers in a zoned filesystem, btreewritepages holds fsinfo-zonedmetaiolock across the whole writeback loop, including...

CVE-2026-74572 btrfs: zoned: fix deadlock between metadata writeback and transaction commit

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix deadlock between metadata writeback and transaction commit When writing out metadata extent buffers in a zoned filesystem, btreewritepages holds fsinfo-zonedmetaiolock across the whole writeback loop, including...

CVE-2026-74561 nexthop: avoid unlocked f6i_list walk in nh_rt_cache_flush

In the Linux kernel, the following vulnerability has been resolved: nexthop: avoid unlocked f6ilist walk in nhrtcacheflush nhrtcacheflush walks nh-f6ilist during an RTNL-serialized nexthop replace without holding nh-lock, racing the unlocked IPv6 route add/delete that mutate the list under nh-loc...

CVE-2026-74561

Summary: CVE-2026-74561 is a Linux kernel vulnerability where nh_rt_cache_flush walks an f6i_list without proper locking, racing with unlocked IPv6 route add/delete operations and freeing fib6_info. The fix migrates the sernum update to a broader netns scope by using rt_genid_bump_ipv6() instead ...

CVE-2026-74555

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fix HA resume deadlock and hisisas disk-wake race Commit fbefe22811c3 "scsi: libsas: Don't always drain event workqueue for HA resume" introduced sasresumehanosync to avoid a deadlock: the PHYERESUMETIMEOUT handler,...

CVE-2026-74555

CVE-2026-74555 pertains to the Linux kernel, addressing a deadlock in SCSI libsas handling during HA resume and a race in disk wake for hisi_sas controllers. The fix, introduced via a commit sequence around sas_resume_ha_no_sync and sas_drain_work, moves PHYE_RESUME_TIMEOUT notifications to occur...

EUVD-2026-59620

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fix HA resume deadlock and hisisas disk-wake race Commit fbefe22811c3 "scsi: libsas: Don't always drain event workqueue for HA resume" introduced sasresumehanosync to avoid a deadlock: the PHYERESUMETIMEOUT handler,...

CVE-2026-74555 scsi: libsas: Fix HA resume deadlock and hisi_sas disk-wake race

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fix HA resume deadlock and hisisas disk-wake race Commit fbefe22811c3 "scsi: libsas: Don't always drain event workqueue for HA resume" introduced sasresumehanosync to avoid a deadlock: the PHYERESUMETIMEOUT handler,...

CVE-2026-74555

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fix HA resume deadlock and hisisas disk-wake race Commit fbefe22811c3 "scsi: libsas: Don't always drain event workqueue for HA resume" introduced sasresumehanosync to avoid a deadlock: the PHYERESUMETIMEOUT handler,...

CVE-2026-74555 scsi: libsas: Fix HA resume deadlock and hisi_sas disk-wake race

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fix HA resume deadlock and hisisas disk-wake race Commit fbefe22811c3 "scsi: libsas: Don't always drain event workqueue for HA resume" introduced sasresumehanosync to avoid a deadlock: the PHYERESUMETIMEOUT handler,...

CVE-2026-74535

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: avoid deadlocks in isosocktimeout isosocktimeout takes locksock, so sync disabling the timer while holding that lock may deadlock. isosocktimeout may also run concurrently with isoconndel, which leads to UAF Task ...

CVE-2026-74535

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: avoid deadlocks in isosocktimeout isosocktimeout takes locksock, so sync disabling the timer while holding that lock may deadlock. isosocktimeout may also run concurrently with isoconndel, which leads to UAF Task ...

CVE-2026-74535

CVE-2026-74535 affects the Linux kernel Bluetooth ISO subsystem. The vulnerability arises in iso_sock_timeout, which takes lock_sock; keeping the timer disabled while holding that lock may deadlock, and it can run concurrently with iso_conn_del(), leading to a use-after-free of hcon.iso_data. The...

EUVD-2026-59728

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: avoid deadlocks in isosocktimeout isosocktimeout takes locksock, so sync disabling the timer while holding that lock may deadlock. isosocktimeout may also run concurrently with isoconndel, which leads to UAF Task ...

CVE-2026-74535 Bluetooth: ISO: avoid deadlocks in iso_sock_timeout

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: avoid deadlocks in isosocktimeout isosocktimeout takes locksock, so sync disabling the timer while holding that lock may deadlock. isosocktimeout may also run concurrently with isoconndel, which leads to UAF Task ...

CVE-2026-74535 Bluetooth: ISO: avoid deadlocks in iso_sock_timeout

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: avoid deadlocks in isosocktimeout isosocktimeout takes locksock, so sync disabling the timer while holding that lock may deadlock. isosocktimeout may also run concurrently with isoconndel, which leads to UAF Task ...

CVE-2026-74526

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix potential deadlock in mpi3mrfaultueventemit mpi3mrfaultueventemit runs from the fault watchdog and reset paths where host I/O may already be blocked. GFPKERNEL allocations here, both the local kzallocobj and the...

CVE-2026-74526

In CVE-2026-74526, the Linux kernel fault-handling code for mpi3mr (scsi) had a potential deadlock when GFP_KERNEL allocations in mpi3mr_fault_uevent_emit could trigger memory reclaim while host I/O was blocked. The fix covers the entire call with memalloc_noio_save()/restore(), replacing the pre...