kernel: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent

In the Linux kernel, the following vulnerability has been resolved: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent Commit 0c80f9e165f8 "ACPI: PPTT: Leave the table mapped for the runtime usage" enabled to map PPTT once on the first invocation of acpigetpptt and never...

kernel: md/raid5-cache: fix a deadlock in r5l_exit_log()

A deadlock vulnerability was found in the md RAID5 cache r5l subsystem in the Linux kernel. In r5lexitlog, flushwork is called while holding reconfigmutex, which waits for disablewritebackwork to complete. However, r5cdisablewritebackasync calls waitevent which requires conf-log to be NULL, but...

CVE-2021-47449

In the Linux kernel, the following vulnerability has been resolved: ice: fix locking for Tx timestamp tracking flush Commit 4dd0d5c33c3e "ice: add lock around Tx timestamp tracker flush" added a lock around the Tx timestamp tracker flow which is used to cleanup any left over SKBs and prepare for...

DEBIAN-CVE-2021-47449

In the Linux kernel, the following vulnerability has been resolved: ice: fix locking for Tx timestamp tracking flush Commit 4dd0d5c33c3e "ice: add lock around Tx timestamp tracker flush" added a lock around the Tx timestamp tracker flow which is used to cleanup any left over SKBs and prepare for...

UBUNTU-CVE-2021-47449

In the Linux kernel, the following vulnerability has been resolved: ice: fix locking for Tx timestamp tracking flush Commit 4dd0d5c33c3e "ice: add lock around Tx timestamp tracker flush" added a lock around the Tx timestamp tracker flow which is used to cleanup any left over SKBs and prepare for...

CVE-2021-47449 ice: fix locking for Tx timestamp tracking flush

In the Linux kernel, the following vulnerability has been resolved: ice: fix locking for Tx timestamp tracking flush Commit 4dd0d5c33c3e "ice: add lock around Tx timestamp tracker flush" added a lock around the Tx timestamp tracker flow which is used to cleanup any left over SKBs and prepare for...

DEBIAN-CVE-2023-52836

In the Linux kernel, the following vulnerability has been resolved: locking/wwmutex/test: Fix potential workqueue corruption In some cases running with the test-wwmutex code, I was seeing odd behavior where sometimes it seemed flushworkqueue was returning before all the work threads were finished...

UBUNTU-CVE-2023-52749

In the Linux kernel, the following vulnerability has been resolved: spi: Fix null dereference on suspend A race condition exists where a synchronous noqueue transfer can be active during a system suspend. This can cause a null pointer dereference exception to occur when the system resumes. Exampl...

DEBIAN-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-2021-47408

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...

DEBIAN-CVE-2021-47382

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: fix deadlock during failing recovery Commit 0b9902c1fcc5 "s390/qeth: fix deadlock during recovery" removed taking disciplinemutex inside qethdoreset, fixing potential deadlocks. An error path was missed though, that...

DEBIAN-CVE-2021-47280

In the Linux kernel, the following vulnerability has been resolved: drm: Fix use-after-free read in drmgetunique There is a time-of-check-to-time-of-use error in drmgetunique due to retrieving filepriv-master prior to locking the device's master mutex. An example can be seen in the crash report o...

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-2021-47382

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: fix deadlock during failing recovery Commit 0b9902c1fcc5 "s390/qeth: fix deadlock during recovery" removed taking disciplinemutex inside qethdoreset, fixing potential deadlocks. An error path was missed though, that...

UBUNTU-CVE-2021-47280

In the Linux kernel, the following vulnerability has been resolved: drm: Fix use-after-free read in drmgetunique There is a time-of-check-to-time-of-use error in drmgetunique due to retrieving filepriv-master prior to locking the device's master mutex. An example can be seen in the crash report o...

UBUNTU-CVE-2021-47225

In the Linux kernel, the following vulnerability has been resolved: mac80211: fix deadlock in AP/VLAN handling Syzbot reports that when you have APVLAN interfaces that are up and close the AP interface they belong to, we get a deadlock. No surprise - since we devclose them with the wiphy mutex...

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...

CVE-2021-47280

In the Linux kernel, the following vulnerability has been resolved: drm: Fix use-after-free read in drmgetunique There is a time-of-check-to-time-of-use error in drmgetunique due to retrieving filepriv-master prior to locking the device's master mutex. An example can be seen in the crash report o...

CVE-2021-47408 netfilter: conntrack: serialize hash resizes and cleanups

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-2021-47280 drm: Fix use-after-free read in drm_getunique()

In the Linux kernel, the following vulnerability has been resolved: drm: Fix use-after-free read in drmgetunique There is a time-of-check-to-time-of-use error in drmgetunique due to retrieving filepriv-master prior to locking the device's master mutex. An example can be seen in the crash report o...