UBUNTU-CVE-2022-50533

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: mlme: fix null-ptr deref on failed assoc If association to an AP without a link 0 fails, then we crash in tracing because it assumes that either apmldaddr or link 0 BSS is valid, since we clear sdata-vif.validlink...

UBUNTU-CVE-2023-53662

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leaks in ext4fnamesetupfilename,preparelookup If the filename casefolding fails, we'll be leaking memory from the fscryptname struct, namely from the 'cryptobuf.name' member. Make sure we free it in the error pat...

UBUNTU-CVE-2022-50545

In the Linux kernel, the following vulnerability has been resolved: r6040: Fix kmemleak in probe and remove There is a memory leaks reported by kmemleak: unreferenced object 0xffff888116111000 size 2048: comm "modprobe", pid 817, jiffies 4294759745 age 76.502s hex dump first 32 bytes: 00 c4 0a 04...

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 //...

CVE-2023-53686 net/handshake: fix null-ptr-deref in handshake_nl_done_doit()

In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if socket lookup has failed. Also we should call tracehandshakecmddoneerr before releasing the file, otherwise dereferencing...

EUVD-2025-32731

In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if socket lookup has failed. Also we should call tracehandshakecmddoneerr before releasing the file, otherwise dereferencing...

CVE-2023-53686 net/handshake: fix null-ptr-deref in handshake_nl_done_doit()

In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if socket lookup has failed. Also we should call tracehandshakecmddoneerr before releasing the file, otherwise dereferencing...

CVE-2023-53681

In the Linux kernel, the following vulnerability has been resolved: bcache: Fix bchbtreenodealloc to make the failure behavior consistent In some specific situations, the return value of bchbtreenodealloc may be NULL. This may lead to a potential NULL pointer dereference in caller function like a...

CVE-2023-53673 Bluetooth: hci_event: call disconnect callback before deleting conn

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: call disconnect callback before deleting conn In hcicsdisconnect, we do hciconndel even if disconnection failed. ISO, L2CAP and SCO connections refer to the hciconn without hciconnget, so disconncfm must be...

CVE-2023-53662 ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup}

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leaks in ext4fnamesetupfilename,preparelookup If the filename casefolding fails, we'll be leaking memory from the fscryptname struct, namely from the 'cryptobuf.name' member. Make sure we free it in the error pat...

CVE-2023-53662 ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup}

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leaks in ext4fnamesetupfilename,preparelookup If the filename casefolding fails, we'll be leaking memory from the fscryptname struct, namely from the 'cryptobuf.name' member. Make sure we free it in the error pat...

CVE-2022-50550 blk-iolatency: Fix memory leak on add_disk() failures

In the Linux kernel, the following vulnerability has been resolved: blk-iolatency: Fix memory leak on adddisk failures When a gendisk is successfully initialized but adddisk fails such as when a loop device has invalid number of minor device numbers specified, blkcginitdisk is called during init...

CVE-2022-50550

CVE-2022-50550 affects the Linux kernel’s blk-iolatency component. The flaw arises when a gendisk is initialized but add_disk() fails; iolatency is initialized during init but not cleaned up in error handling, causing a memory leak. The root cause is that cleanup previously relied on del_gendisk(...

EUVD-2025-32783

In the Linux kernel, the following vulnerability has been resolved: blk-iolatency: Fix memory leak on adddisk failures When a gendisk is successfully initialized but adddisk fails such as when a loop device has invalid number of minor device numbers specified, blkcginitdisk is called during init...

CVE-2022-50550

In the Linux kernel, the following vulnerability has been resolved: blk-iolatency: Fix memory leak on adddisk failures When a gendisk is successfully initialized but adddisk fails such as when a loop device has invalid number of minor device numbers specified, blkcginitdisk is called during init...

EUVD-2025-32808

In the Linux kernel, the following vulnerability has been resolved: media: si470x: Fix use-after-free in si470xintincallback syzbot reported use-after-free in si470xintincallback 1. This indicates that urb-context, which contains struct si470xdevice object, is freed when si470xintincallback is...

CVE-2022-50543 RDMA/rxe: Fix mr->map double free

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix mr-map double free rxemrcleanup which tries to free mr-map again will be called when rxemrinituser fails: CPU: 0 PID: 4917 Comm: rdmaflushserv Kdump: loaded Not tainted 6.1.0-rc1-roce-flush+ 25 Hardware name: QEMU...

EUVD-2025-32785

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix mr-map double free rxemrcleanup which tries to free mr-map again will be called when rxemrinituser fails: CPU: 0 PID: 4917 Comm: rdmaflushserv Kdump: loaded Not tainted 6.1.0-rc1-roce-flush+ 25 Hardware name: QEMU...

CVE-2022-50538 vme: Fix error not catched in fake_init()

In the Linux kernel, the following vulnerability has been resolved: vme: Fix error not catched in fakeinit In fakeinit, rootdeviceregister is possible to fail but it's ignored, which can cause unregistering vmeroot fail when exit. general protection fault, probably for non-canonical address...

CVE-2023-53651 Input: exc3000 - properly stop timer on shutdown

In the Linux kernel, the following vulnerability has been resolved: Input: exc3000 - properly stop timer on shutdown We need to stop the timer on driver unbind or probe failures, otherwise we get UAF/Oops...