DEBIAN-CVE-2021-47375

In the Linux kernel, the following vulnerability has been resolved: blktrace: Fix uaf in blktrace access after removing by sysfs There is an use-after-free problem triggered by following process: P1sda P2sdb echo 0 /sys/block/sdb/trace/enable blktraceremovequeue synchronizercu blktracefree...

CVE-2021-47360

In the Linux kernel, the following vulnerability has been resolved: binder: make sure fd closes complete During BCFREEBUFFER processing, the BINDERTYPEFDA object cleanup may close 1 or more fds. The close operations are completed using the task work mechanism -- which means the thread needs to...

DEBIAN-CVE-2021-47355

In the Linux kernel, the following vulnerability has been resolved: atm: nicstar: Fix possible use-after-free in nicstarcleanup This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running...

DEBIAN-CVE-2021-47356

In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible use-after-free in HFCcleanup This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the...

DEBIAN-CVE-2021-47301

In the Linux kernel, the following vulnerability has been resolved: igb: Fix use-after-free error during reset Cleans the next descriptor to watch nexttowatch when cleaning the TX ring. Failure to do so can cause invalid memory accesses. If igbpoll runs while the controller is reset this can lead...

DEBIAN-CVE-2021-47302

In the Linux kernel, the following vulnerability has been resolved: igc: Fix use-after-free error during reset Cleans the next descriptor to watch nexttowatch when cleaning the TX ring. Failure to do so can cause invalid memory accesses. If igcpoll runs while the controller is being reset this ca...

UBUNTU-CVE-2021-47412

In the Linux kernel, the following vulnerability has been resolved: block: don't call rqqosops-donebio if the bio isn't tracked rqqos framework is only applied on request based driver, so: 1 rqqosdonebio needn't to be called for bio based driver 2 rqqosdonebio needn't to be called for bio which...

UBUNTU-CVE-2021-47408

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: serialize hash resizes and cleanups Syzbot was able to trigger the following warning 1 No repro found by syzbot yet but I was able to trigger similar issue by having 2 scripts running in parallel, changing...

UBUNTU-CVE-2021-47355

In the Linux kernel, the following vulnerability has been resolved: atm: nicstar: Fix possible use-after-free in nicstarcleanup This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running...

UBUNTU-CVE-2021-47384

In the Linux kernel, the following vulnerability has been resolved: hwmon: w83793 Fix NULL pointer dereference by removing unnecessary structure field If driver read tmp value sufficient for tmp & 0x08 && !tmp & 0x80 && tmp & 0x7 == tmp 4 & 0x7 from device then Null pointer dereference occurs. It...

UBUNTU-CVE-2021-47356

In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible use-after-free in HFCcleanup This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the...

CVE-2021-47408

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: serialize hash resizes and cleanups Syzbot was able to trigger the following warning 1 No repro found by syzbot yet but I was able to trigger similar issue by having 2 scripts running in parallel, changing...

UBUNTU-CVE-2021-47427

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsi: Fix iscsitask use after free Commit d39df158518c "scsi: iscsi: Have abort handler get ref to conn" added iscsigetconn/iscsiputconn calls during abort handling but then also changed the handling of the case where we...

CVE-2021-47408

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: serialize hash resizes and cleanups Syzbot was able to trigger the following warning 1 No repro found by syzbot yet but I was able to trigger similar issue by having 2 scripts running in parallel, changing...

CVE-2021-47337

The CVE-2021-47337 issue is in the Linux kernel SCSI core path: when an error arises during scsi_host_alloc() and the error-handling ehandler thread fails to spawn, shost->ehandler may be set to ERR_PTR(-ENOMEM) and scsi_host_dev_release() would call kthread_stop() on a NULL/invalid pointer, r...

CVE-2021-47337 scsi: core: Fix bad pointer dereference when ehandler kthread is invalid

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix bad pointer dereference when ehandler kthread is invalid Commit 66a834d09293 "scsi: core: Fix error handling of scsihostalloc" changed the allocation logic to call putdevice to perform host cleanup with the...

CVE-2021-47303 bpf: Track subprog poke descriptors correctly and fix use-after-free

In the Linux kernel, the following vulnerability has been resolved: bpf: Track subprog poke descriptors correctly and fix use-after-free Subprograms are calling mappoketrack, but on program release there is no hook to call mappokeuntrack. However, on program release, the aux memory and poke...

SUSE CVE-2024-35887

In the Linux kernel, the following vulnerability has been resolved: ax25: fix use-after-free bugs caused by ax25dsdeltimer When the ax25 device is detaching, the ax25devdevicedown calls ax25dsdeltimer to cleanup the slavetimer. When the timer handler is running, the ax25dsdeltimer that calls...

SUSE CVE-2024-35914

In the Linux kernel, the following vulnerability has been resolved: nfsd: Fix error cleanup path in nfsdrename Commit a8b0026847b8 "rename: avoid a deadlock in the case of parents having no common ancestor" added an error bail out path. However this path does not drop the remount protection that...

SUSE CVE-2024-35959

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix mlx5eprivinit cleanup flow When mlx5eprivinit fails, the cleanup flow calls mlx5eselqcleanup which calls mlx5eselqapply that assures that the priv-statelock is held using lockdepisheld. Acquire the statelock in...