CVE-2022-49291

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix races among concurrent hwparams and hwfree calls Currently we have neither proper check nor protection against the concurrent calls of PCM hwparams and hwfree ioctls, which may result in a UAF. Since the existing P...

CVE-2022-49309

In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8723bs: Fix deadlock in rtwsurveydoneeventcallback There is a deadlock in rtwsurveydoneeventcallback, which is shown below: Thread 1 | Thread 2 | settimer rtwsurveydoneeventcallback| modtimer spinlockbh //1 |...

CVE-2021-47634

In the Linux kernel, the following vulnerability has been resolved: ubi: Fix race condition between ctrlcdevioctl and ubicdevioctl Hulk Robot reported a KASAN report about use-after-free: ================================================================== BUG: KASAN: use-after-free in...

CVE-2022-49311

In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192bs: Fix deadlock in rtwjoinbsseventprehandle There is a deadlock in rtwjoinbsseventprehandle, which is shown below: Thread 1 | Thread 2 | settimer rtwjoinbsseventprehandle| modtimer spinlockbh //1 | wait ...

CVE-2025-21817

In the Linux kernel, the following vulnerability has been resolved: block: mark GFPNOIO around sysfs -store sysfs -store is called with queue freezed, meantime we have several -store callbacksupdatenrrequests, wbt, scheduler to allocate memory with GFPKERNEL which may run into direct reclaim code...

CVE-2025-21818

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2025-21818

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2025-21823

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Drop unmanaged ELP metric worker The ELP worker needs to calculate new metric values for all neighbors "reachable" over an interface. Some of the used metric sources require locks which might need to sleep. This sleep...

CVE-2025-21814

In the Linux kernel, the following vulnerability has been resolved: ptp: Ensure info-enable callback is always set The ioctl and sysfs handlers unconditionally call the -enable callback. Not all drivers implement that callback, leading to NULL dereferences. Example of affected drivers: ptps390.c,...

CVE-2025-21798

In the Linux kernel, the following vulnerability has been resolved: firewire: test: Fix potential null dereference in firewire kunit test kunitkzalloc may return a NULL pointer, dereferencing it without NULL check may lead to NULL dereference. Add a NULL check for teststate...

CVE-2025-21802

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix oops when unload drivers paralleling When unload hclge driver, it tries to disable sriov first for each aedev node from hnae3aedevlist. If user unloads hns3 driver at the time, because it removes all the aedev node...

UBUNTU-CVE-2025-21806

In the Linux kernel, the following vulnerability has been resolved: net: let net.core.devweight always be non-zero The following problem was encountered during stability test: NULL netdevice: NAPI poll function processbacklog+0x0/0x530 \ returned 1, exceeding its budget of 0. ------------ cut her...

CVE-2025-21824

Technical details about CVE-2025-21824 are not publicly available in the provided connected documents; no vendor/product specifics or mitigations are provided. Monitor for updates.

CVE-2025-21823 batman-adv: Drop unmanaged ELP metric worker

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Drop unmanaged ELP metric worker The ELP worker needs to calculate new metric values for all neighbors "reachable" over an interface. Some of the used metric sources require locks which might need to sleep. This sleep...

CVE-2025-21816

CVE-2025-21816 affects the Linux kernel hrtimers subsystem. The issue arises when hrtimers queued on an offline CPU can wake up and arm the deadline timer after CPU hotplug stage CPUHP_AP_HRTIMERS_DYING, potentially impacting bandwidth timer handling (notably RCU-related wakeups). The documented ...

CVE-2025-21817

The CVE-2025-21817 entry concerns the Linux kernel block subsystem: GFP_NOIO is now required around sysfs ->store() to prevent potential deadlock when sysfs->store callbacks allocate memory via GFP_KERNEL during direct reclaim. This vulnerability vector arises from GFP_KERNEL allocations ta...

CVE-2025-21814

CVE-2025-21814 affects the Linux kernel PTP code: ioctl/sysfs handlers call the info->enable callback unconditionally, which can be NULL if the driver doesn’t implement it. Affected drivers include ptp_s390.c, ptp_vclock.c and ptp_mock.c. The fix replaces a missing callback with a dummy one to...

CVE-2025-21813 timers/migration: Fix off-by-one root mis-connection

In the Linux kernel, the following vulnerability has been resolved: timers/migration: Fix off-by-one root mis-connection Before attaching a new root to the old root, the children counter of the new root is checked to verify that only the upcoming CPU's top group have been connected to it. However...

CVE-2025-21812 ax25: rcu protect dev->ax25_ptr

In the Linux kernel, the following vulnerability has been resolved: ax25: rcu protect dev-ax25ptr syzbot found a lockdep issue 1. We should remove ax25 RTNL dependency in ax25setsockopt This should also fix a variety of possible UAF in ax25. 1 WARNING: possible circular locking dependency detecte...

CVE-2025-21812 ax25: rcu protect dev->ax25_ptr

In the Linux kernel, the following vulnerability has been resolved: ax25: rcu protect dev-ax25ptr syzbot found a lockdep issue 1. We should remove ax25 RTNL dependency in ax25setsockopt This should also fix a variety of possible UAF in ax25. 1 WARNING: possible circular locking dependency detecte...