CVE-2023-54128 fs: drop peer group ids under namespace lock

In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a...

CVE-2023-54128

The CVE-2023-54128 entry refers to a Linux kernel issue in fs: drop peer group IDs under namespace lock. The root cause is failing to hold the namespace lock while cleaning up peer group IDs in the failure path, which could allow another thread to change a mount from shared to non-shared concurre...

CVE-2023-54128 fs: drop peer group ids under namespace lock

In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a...

CVE-2023-54088

Technical details about CVE-2023-54088 (Linux blk-cgroup queue_lock handling) are not publicly provided in the supplied documents. Monitor OSV and distro advisories for patched versions and fixes.

CVE-2023-54088 blk-cgroup: hold queue_lock when removing blkg->q_node

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: hold queuelock when removing blkg-qnode When blkg is removed from q-blkglist from blkgfreeworkfn, queuelock has to be held, otherwise, all kinds of bugslist corruption, hard lockup, .. can be triggered from...

CVE-2023-54088 blk-cgroup: hold queue_lock when removing blkg->q_node

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: hold queuelock when removing blkg-qnode When blkg is removed from q-blkglist from blkgfreeworkfn, queuelock has to be held, otherwise, all kinds of bugslist corruption, hard lockup, .. can be triggered from...

CVE-2023-54082 af_unix: Fix null-ptr-deref in unix_stream_sendpage().

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix null-ptr-deref in unixstreamsendpage. Bing-Jhong Billy Jheng reported null-ptr-deref in unixstreamsendpage with detailed analysis and a nice repro. unixstreamsendpage tries to add data to the last skb in the peer's re...

CVE-2023-54082

CVE-2023-54082 has been rejected in the official CVE list, but related connected records describe a Linux kernel vulnerability: af_unix, where unix_stream_sendpage() could race with garbage collection, potentially dereferencing an unlocked skb and causing a use-after-free. The root cause is failu...

CVE-2022-50776 clk: st: Fix memory leak in st_of_quadfs_setup()

In the Linux kernel, the following vulnerability has been resolved: clk: st: Fix memory leak in stofquadfssetup If stclkregisterquadfspll fails, @lock should be freed before goto @errexit, otherwise will cause meory leak issue, fix it...

CVE-2022-50761

The CVE-2022-50761 entry concerns a memory leak in the Linux kernel under x86/xen: in xen_init_lock_cpu(), a string allocated with kasprintf() is not freed if bind_ipi_to_irqhandler() fails, potentially leaking memory. The description notes this memory leak is fixed in Xen/CPU initialization code...

CVE-2022-50761 x86/xen: Fix memory leak in xen_init_lock_cpu()

In the Linux kernel, the following vulnerability has been resolved: x86/xen: Fix memory leak in xeninitlockcpu In xeninitlockcpu, the @name has allocated new string by kasprintf, if bindipitoirqhandler fails, it should be freed, otherwise may lead to a memory leak issue, fix it...

CVE-2022-50744 scsi: lpfc: Fix hard lockup when reading the rx_monitor from debugfs

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix hard lockup when reading the rxmonitor from debugfs During I/O and simultaneous cat of /sys/kernel/debug/lpfc/fnX/rxmonitor, a hard lockup similar to the call trace below may occur. The spinlockbh in...

EUVD-2025-205088

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...

EUVD-2025-205096

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix racy bitfield write in btrfsclearspaceinfofull From the memory-barriers.txt document regarding memory barrier ordering guarantees: These guarantees do not apply to bitfields, because compilers often generate code to...

CVE-2023-54067

In CVE-2023-54067, the Linux kernel btrfs subsystem fixes a race when deleting the free space root from fs_info->dirty_cowonly_roots by not holding the trans_lock. The unsynchronized list manipulation could race with concurrent modifications (e.g., adding a root via ctree.c:add_root_to_dirty_l...

CVE-2023-54067 btrfs: fix race when deleting free space root from the dirty cow roots list

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race when deleting free space root from the dirty cow roots list When deleting the free space tree we are deleting the free space root from the list fsinfo-dirtycowonlyroots without taking the lock that protects it,...

CVE-2022-50720

The CVE-2022-50720 entry concerns the Linux kernel x86 APIC handling: BIOS can lock APIC into x2APIC mode, and if the kernel attempts to disable x2APIC or revert to legacy APIC while locked, a GP fault can occur. The vulnerability is tied to the new MSR IA32_XAPIC_DISABLE_STATUS and the LEGACY_XA...

CVE-2022-50720 x86/apic: Don't disable x2APIC if locked

In the Linux kernel, the following vulnerability has been resolved: x86/apic: Don't disable x2APIC if locked The APIC supports two modes, legacy APIC or xAPIC, and Extended APIC or x2APIC. X2APIC mode is mostly compatible with legacy APIC, but it disables the memory-mapped APIC interface in favor...

CVE-2022-50720 x86/apic: Don't disable x2APIC if locked

In the Linux kernel, the following vulnerability has been resolved: x86/apic: Don't disable x2APIC if locked The APIC supports two modes, legacy APIC or xAPIC, and Extended APIC or x2APIC. X2APIC mode is mostly compatible with legacy APIC, but it disables the memory-mapped APIC interface in favor...

CVE-2022-50712 devlink: hold region lock when flushing snapshots

In the Linux kernel, the following vulnerability has been resolved: devlink: hold region lock when flushing snapshots Netdevsim triggers a splat on reload, when it destroys regions with snapshots pending: WARNING: CPU: 1 PID: 787 at net/core/devlink.c:6291 devlinkregionsnapshotdel+0x12e/0x140 CPU...