CVE-2022-50095

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Cleanup CPU timers before freeing them during exec Commit 55e8c8eb2c7b "posix-cpu-timers: Store a reference to a pid not a task" started looking up tasks by PID when deleting a CPU timer. When a non-leader threa...

DEBIAN-CVE-2022-50095

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Cleanup CPU timers before freeing them during exec Commit 55e8c8eb2c7b "posix-cpu-timers: Store a reference to a pid not a task" started looking up tasks by PID when deleting a CPU timer. When a non-leader threa...

CVE-2022-50062

In the Linux kernel, the following vulnerability has been resolved: net: bgmac: Fix a BUG triggered by wrong bytescompl On one of our machines we got: kernel BUG at lib/dynamicqueuelimits.c:27! Internal error: Oops - BUG: 0 1 PREEMPT SMP ARM CPU: 0 PID: 1166 Comm: irq/41-bgmac Tainted: G W O...

UBUNTU-CVE-2022-50062

In the Linux kernel, the following vulnerability has been resolved: net: bgmac: Fix a BUG triggered by wrong bytescompl On one of our machines we got: kernel BUG at lib/dynamicqueuelimits.c:27! Internal error: Oops - BUG: 0 1 PREEMPT SMP ARM CPU: 0 PID: 1166 Comm: irq/41-bgmac Tainted: G W O...

UBUNTU-CVE-2022-50223

In the Linux kernel, the following vulnerability has been resolved: LoongArch: cpuinfo: Fix a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and CONFIGDEBUGPERCPUMAPS is selected, cpumaxbitswarn generates a runtime warning similar as below while we show /proc/cpuinfo. Fix this by...

UBUNTU-CVE-2022-50210

In the Linux kernel, the following vulnerability has been resolved: MIPS: cpuinfo: Fix a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and CONFIGDEBUGPERCPUMAPS is selected, cpumaxbitswarn generates a runtime warning similar as below while we show /proc/cpuinfo. Fix this by using...

UBUNTU-CVE-2022-50095

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Cleanup CPU timers before freeing them during exec Commit 55e8c8eb2c7b "posix-cpu-timers: Store a reference to a pid not a task" started looking up tasks by PID when deleting a CPU timer. When a non-leader threa...

CVE-2022-50223

CVE-2022-50223 affects the Linux kernel on LoongArch where, when CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS are enabled, cpu_max_bits_warn() could trigger a runtime warning during /proc/cpuinfo display. The issue arises from iterating CPUs using NR_CPUS and is fixed by using nr_cpu_ids...

CVE-2022-50223 LoongArch: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK

In the Linux kernel, the following vulnerability has been resolved: LoongArch: cpuinfo: Fix a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and CONFIGDEBUGPERCPUMAPS is selected, cpumaxbitswarn generates a runtime warning similar as below while we show /proc/cpuinfo. Fix this by...

CVE-2022-50224 KVM: x86/mmu: Treat NX as a valid SPTE bit for NPT

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Treat NX as a valid SPTE bit for NPT Treat the NX bit as valid when using NPT, as KVM will set the NX bit when the NX huge page mitigation is enabled mindblowing and trigger the WARN that fires on reserved SPTE bits...

CVE-2022-50103 sched, cpuset: Fix dl_cpu_busy() panic due to empty cs->cpus_allowed

In the Linux kernel, the following vulnerability has been resolved: sched, cpuset: Fix dlcpubusy panic due to empty cs-cpusallowed With cgroup v2, the cpuset's cpusallowed mask can be empty indicating that the cpuset will just use the effective CPUs of its parent. So cpusetcanattach can call...

CVE-2022-50103

In the Linux kernel, the following vulnerability has been resolved: sched, cpuset: Fix dlcpubusy panic due to empty cs-cpusallowed With cgroup v2, the cpuset's cpusallowed mask can be empty indicating that the cpuset will just use the effective CPUs of its parent. So cpusetcanattach can call...

CVE-2022-50100 sched/core: Do not requeue task on CPU excluded from cpus_mask

In the Linux kernel, the following vulnerability has been resolved: sched/core: Do not requeue task on CPU excluded from cpusmask The following warning was triggered on a large machine early in boot on a distribution kernel but the same problem should also affect mainline. WARNING: CPU: 439 PID: ...

CVE-2022-50100 sched/core: Do not requeue task on CPU excluded from cpus_mask

In the Linux kernel, the following vulnerability has been resolved: sched/core: Do not requeue task on CPU excluded from cpusmask The following warning was triggered on a large machine early in boot on a distribution kernel but the same problem should also affect mainline. WARNING: CPU: 439 PID: ...

CVE-2022-50100

CVE-2022-50100 affects the Linux kernel sched/core: Do not requeue a task on a CPU excluded from cpus_mask. The issue arises from a ttwu wakeup optimization that could queue a task on the wrong CPU, triggering an early-boot warning on large machines. The commit c6e7bd7afaeb implements a fix by en...

CVE-2022-50095 posix-cpu-timers: Cleanup CPU timers before freeing them during exec

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Cleanup CPU timers before freeing them during exec Commit 55e8c8eb2c7b "posix-cpu-timers: Store a reference to a pid not a task" started looking up tasks by PID when deleting a CPU timer. When a non-leader threa...

CVE-2022-50095

The CVE-2022-50095 issue affects the Linux kernel posix-cpu-timers: when a non-leader thread execs, the timer’s task reference may point to the old PID, so exit_itimers cannot disarm armed timers. This could leave timers in the timerqueue_list and, during processing, cause a use-after-free. The r...

CVE-2022-50095

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Cleanup CPU timers before freeing them during exec Commit 55e8c8eb2c7b "posix-cpu-timers: Store a reference to a pid not a task" started looking up tasks by PID when deleting a CPU timer. When a non-leader threa...

CVE-2022-50095 posix-cpu-timers: Cleanup CPU timers before freeing them during exec

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Cleanup CPU timers before freeing them during exec Commit 55e8c8eb2c7b "posix-cpu-timers: Store a reference to a pid not a task" started looking up tasks by PID when deleting a CPU timer. When a non-leader threa...

CVE-2022-50011 venus: pm_helpers: Fix warning in OPP during probe

In the Linux kernel, the following vulnerability has been resolved: venus: pmhelpers: Fix warning in OPP during probe Fix the following WARN triggered during Venus driver probe on 5.19.0-rc8-next-20220728: WARNING: CPU: 7 PID: 339 at drivers/opp/core.c:2471 devpmoppsetconfig+0x49c/0x610 Modules...