CVE-2025-21954

In the Linux kernel, the following vulnerability has been resolved: netmem: prevent TX of unreadable skbs Currently on stable trees we have support for netmem/devmem RX but not TX. It is not safe to forward/redirect an RX unreadable netmem packet into the device's TX path, as the device may call...

CVE-2025-21980

In the Linux kernel, the following vulnerability has been resolved: sched: address a potential NULL pointer dereference in the GRED scheduler. If kzalloc in gredinit returns a NULL pointer, the code follows the error handling path, invoking greddestroy. This, in turn, calls gredoffload, where...

CVE-2025-21958

In the Linux kernel, the following vulnerability has been resolved: Revert "openvswitch: switch to per-action label counting in conntrack" Currently, ovsctsetlabels is only called for confirmed conntrack entries ct within ovsctcommit. However, if the conntrack entry does not have the labelsext...

CVE-2025-21950

In the Linux kernel, the following vulnerability has been resolved: drivers: virt: acrn: hsm: Use kzalloc to avoid info leak in pmcmdioctl In the "pmcmdioctl" function, three memory objects allocated by kmalloc are initialized by "hcallgetcpustate", which are then copied to user space. The...

CVE-2025-21951

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: pcigeneric: Use pcitryresetfunction to avoid deadlock There are multiple places from where the recovery work gets scheduled asynchronously. Also, there are multiple places where the caller waits synchronously for...

CVE-2025-21930

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: don't try to talk to a dead firmware This fixes: bad state = 0 WARNING: CPU: 10 PID: 702 at drivers/net/wireless/inel/iwlwifi/iwl-trans.c:178 iwltranssendcmd+0xba/0xe0 iwlwifi Call Trace: ? warn+0xca/0x1c0 ?...

CVE-2025-21935

In the Linux kernel, the following vulnerability has been resolved: rapidio: add check for rioaddnet in rioscanallocnet The return value of rioaddnet should be checked. If it fails, putdevice should be called to free the memory and give up the reference initialized in rioaddnet...

CVE-2025-21953

In the Linux kernel, the following vulnerability has been resolved: net: mana: cleanup mana struct after debugfsremove When on a MANA VM hibernation is triggered, as part of hibernatesnapshot, managdsuspend and managdresume are called. If during this managdresume, a failure occurs with HWC...

CVE-2025-21896

In the Linux kernel, the following vulnerability has been resolved: fuse: revert back to readaheadfolio for readahead In commit 3eab9d7bc2f4 "fuse: convert readahead to use folios", the logic was converted to using the new folio readahead code, which drops the reference on the folio once it is...

CVE-2025-21940

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix NULL Pointer Dereference in KFD queue Through KFD IOCTL Fuzzing we encountered a NULL pointer derefrence when calling kfdqueueacquirebuffers. cherry picked from commit 049e5bf3c8406f87c3d8e1958e0a16804fa1d530...

CVE-2025-21929

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: Fix use-after-free issue in hidishtpclremove During the rmmod operation for the intelishtphid driver, a use-after-free issue can occur in the hidishtpclremove function. The function hidishtpcldeinit is called...

CVE-2025-21986

In the Linux kernel, the following vulnerability has been resolved: net: switchdev: Convert blocking notification chain to a raw one A blocking notification chain uses a read-write semaphore to protect the integrity of the chain. The semaphore is acquired for writing when adding / removing...

CVE-2025-21944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

CVE-2025-21948

In the Linux kernel, the following vulnerability has been resolved: HID: appleir: Fix potential NULL dereference at raw event handle Syzkaller reports a NULL pointer dereference issue in inputevent. BUG: KASAN: null-ptr-deref in instrumentatomicread include/linux/instrumented.h:68 inline BUG:...

CVE-2025-21898

In the Linux kernel, the following vulnerability has been resolved: ftrace: Avoid potential division by zero in functionstatshow Check whether denominator expression x x - 1 1000 mod 2^32, 2^64 produce zero and skip stddev computation in that case. For now don't care about rec-counter rec-counter...

CVE-2025-21945

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2lock If smblock-zerolen has value, -llist of smblock is not delete and flock is old one. It will cause use-after-free on error handling routine...

CVE-2025-21974

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: return fail if interface is down in bnxtqueuememalloc The bnxtqueuememalloc is called to allocate new queue memory when a queue is restarted. It internally accesses rx buffer descriptor corresponding to the index. The ...

CVE-2025-21965

In the Linux kernel, the following vulnerability has been resolved: schedext: Validate prevcpu in scxbpfselectcpudfl If a BPF scheduler provides an invalid CPU outside the nrcpuids range as prevcpu to scxbpfselectcpudfl it can cause a kernel crash. To prevent this, validate prevcpu in...

CVE-2025-21919

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix potential memory corruption in childcfsrqonlist childcfsrqonlist attempts to convert a 'prev' pointer to a cfsrq. This 'prev' pointer can originate from struct rq's leafcfsrqlist, making the conversion invalid and...

CVE-2025-21927

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix potential memory corruption in nvmetcprecvpdu nvmetcprecvpdu doesn't check the validity of the header length. When header digests are enabled, a target might send a packet with an invalid header length e.g. 255,...