CVE-2022-48989 fscache: Fix oops due to race with cookie_lru and use_cookie

In the Linux kernel, the following vulnerability has been resolved: fscache: Fix oops due to race with cookielru and usecookie If a cookie expires from the LRU and the LRUDISCARD flag is set, but the state machine has not run yet, it's possible another thread can call fscacheusecookie and begin t...

CVE-2022-48989

In the Linux kernel, the following vulnerability has been resolved: fscache: Fix oops due to race with cookielru and usecookie If a cookie expires from the LRU and the LRUDISCARD flag is set, but the state machine has not run yet, it's possible another thread can call fscacheusecookie and begin t...

CVE-2022-48988 memcg: fix possible use-after-free in memcg_write_event_control()

In the Linux kernel, the following vulnerability has been resolved: memcg: fix possible use-after-free in memcgwriteeventcontrol memcgwriteeventcontrol accesses the dentry-dname of the specified control fd to route the write call. As a cgroup interface file can't be renamed, it's safe to access...

CVE-2022-48987

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-dv-timings.c: fix too strict blanking sanity checks Sanity checks were added to verify the v4l2bttimings blanking fields in order to avoid integer overflows when userspace passes weird values. But that assumed that...

CVE-2022-48986

In the Linux kernel, the following vulnerability has been resolved: mm/gup: fix guppudrange for dax For dax pud, pudhuge returns true on x86. So the function works as long as hugetlb is configured. However, dax doesn't depend on hugetlb. Commit 414fd080d125 "mm/gup: fix guppmdrange for dax" fixed...

CVE-2022-48984

In the Linux kernel, the following vulnerability has been resolved: can: slcan: fix freed work crash The LTP test pty03 is causing a crash in slcan: BUG: kernel NULL pointer dereference, address: 0000000000000008 PF: supervisor read access in kernel mode PF: errorcode0x0000 - not-present page PGD...

CVE-2022-48985

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix race on per-CQ variable napi workdone After calling napicompletedone, the NAPIFSTATESCHED bit may be cleared, and another CPU can start napi thread and access per-CQ variable, cq-workdone. If the other thread for...

CVE-2022-48983 io_uring: Fix a null-ptr-deref in io_tctx_exit_cb()

In the Linux kernel, the following vulnerability has been resolved: iouring: Fix a null-ptr-deref in iotctxexitcb Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at addr 0000000000000138 by task file1/1955 CPU: 1 PID: 1955 Comm:...

CVE-2022-48983

In the Linux kernel, the following vulnerability has been resolved: iouring: Fix a null-ptr-deref in iotctxexitcb Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at addr 0000000000000138 by task file1/1955 CPU: 1 PID: 1955 Comm:...

CVE-2022-48981

CVE-2022-48981 is a Linux kernel vulnerability related to DRM SHMEM: the error-path handling in drm/shmem-helper and the ownership of references in drm_gem_shmem_mmap() can cause a use-after-free of a GEM object. The root cause is that drm_gem_shmem_mmap() does not own a reference, potentially fr...

CVE-2022-48981

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drmgemshmemmmap doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free...

CVE-2022-48981 drm/shmem-helper: Remove errant put in error path

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drmgemshmemmmap doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free...

CVE-2022-48982

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix crash when replugging CSR fake controllers It seems fake CSR 5.0 clones can cause the suspend notifier to be registered twice causing the following kernel panic: 71.986122 Call Trace: 71.986124 71.986125...

CVE-2022-48980

In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: avoid out of bounds access in sja1105initl2policing The SJA1105 family has 45 L2 policing table entries SJA1105MAXL2POLICINGCOUNT and SJA1110 has 110 SJA1110MAXL2POLICINGCOUNT. Keeping the table structure but...

CVE-2022-48979 drm/amd/display: fix array index out of bound error in DCN32 DML

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix array index out of bound error in DCN32 DML Why&How LinkCapacitySupport array is indexed with the number of voltage states and not the number of max DPPs. Fix the error by changing the array declaration to us...

CVE-2022-48979

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix array index out of bound error in DCN32 DML Why&How LinkCapacitySupport array is indexed with the number of voltage states and not the number of max DPPs. Fix the error by changing the array declaration to us...

CVE-2022-48977 can: af_can: fix NULL pointer dereference in can_rcv_filter

In the Linux kernel, the following vulnerability has been resolved: can: afcan: fix NULL pointer dereference in canrcvfilter Analogue to commit 8aa59e355949 "can: afcan: fix NULL pointer dereference in canrxregister" we need to check for a missing initialization of mlpriv in the receive path of C...

CVE-2022-48977

In the Linux kernel, the following vulnerability has been resolved: can: afcan: fix NULL pointer dereference in canrcvfilter Analogue to commit 8aa59e355949 "can: afcan: fix NULL pointer dereference in canrxregister" we need to check for a missing initialization of mlpriv in the receive path of C...

CVE-2022-48976

The CVE-2022-48976 case concerns Linux kernel netfilter flowtable_offload. A preemptible path used __this_cpu_add in flow_offload_queue_work(), which could trigger a BUG when called from a workqueue without bh disabled. The fix replaces __this_cpu_add with NF_FLOW_TABLE_STAT_INC_ATOMIC() in flow_...

CVE-2022-48975

In the Linux kernel, the following vulnerability has been resolved: gpiolib: fix memory leak in gpiochipsetupdev Here is a backtrace report about memory leak detected in gpiochipsetupdev: unreferenced object 0xffff88810b406400 size 512: comm "python3", pid 1682, jiffies 4295346908 age 24.090s...