CVE-2022-50231 crypto: arm64/poly1305 - fix a read out-of-bound

In the Linux kernel, the following vulnerability has been resolved: crypto: arm64/poly1305 - fix a read out-of-bound A kasan error was reported during fuzzing: BUG: KASAN: slab-out-of-bounds in neonpoly1305blocks.constprop.0+0x1b4/0x250 poly1305neon Read of size 4 at addr ffff0010e293f010 by task...

CVE-2022-50230 arm64: set UXN on swapper page tables

In the Linux kernel, the following vulnerability has been resolved: arm64: set UXN on swapper page tables This issue was fixed upstream by accident in c3cee924bd85 "arm64: head: cover entire kernel image in initial ID map" as part of a large refactoring of the arm64 boot flow. This simple fix is...

CVE-2022-50228

CVE-2022-50228 is a Linux kernel vulnerability affecting KVM on x86 with SVM. The issue occurs when userspace can inject an interrupt with GIF=0, which can trigger a kernel BUG (fatal crash) in arch/x86/kvm/svm/svm.c. The provided descriptions explicitly show a kernel BUG at svm_inject_irq and an...

CVE-2022-50226 crypto: ccp - Use kzalloc for sev ioctl interfaces to prevent kernel memory leak

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Use kzalloc for sev ioctl interfaces to prevent kernel memory leak For some sev ioctl interfaces, input may be passed that is less than or equal to SEVFWBLOBMAXSIZE, but larger than the data that PSP firmware return...

CVE-2022-50227 KVM: x86/xen: Initialize Xen timer only once

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Initialize Xen timer only once Add a check for existing xen timers before initializing a new one. Currently kvmxeninittimer is called on every KVMXENVCPUATTRTYPETIMER, which is causing the following ODEBUG crash whe...

CVE-2022-50225 riscv:uprobe fix SR_SPIE set/clear handling

In the Linux kernel, the following vulnerability has been resolved: riscv:uprobe fix SRSPIE set/clear handling In riscv the process of uprobe going to clear spie before exec the origin insn,and set spie after that.But When access the page which origin insn has been placed a page fault may happen...

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-2022-50223 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-2022-50221

CVE-2022-50221 : In the Linux kernel, the drm/fb-helper deferred I/O damage handling could compute an clipping range that allowed an out-of-bounds access when the fbdev screen buffer ended near the start of a page. The patch clamps the maximum memory range to the screen buffer size and also renam...

CVE-2022-50222

CVE-2022-50222 affects the Linux kernel in the VT/TTY subsystem, specifically the Unicode screen buffer initialization. According to the provided description, a kernel infoleak could occur in vcs_read() when the screen buffer is read immediately after a resize. The remediation implemented is to i...

CVE-2022-50221 drm/fb-helper: Fix out-of-bounds access

In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: Fix out-of-bounds access Clip memory range to screen-buffer size to avoid out-of-bounds access in fbdev deferred I/O's damage handling. Fbdev's deferred I/O can only track pages. From the range of pages, the damage...

CVE-2022-50220 usbnet: Fix linkwatch use-after-free on disconnect

In the Linux kernel, the following vulnerability has been resolved: usbnet: Fix linkwatch use-after-free on disconnect usbnet uses the work usbnetdeferredkevent to perform tasks which may sleep. On disconnect, completion of the work was originally awaited in -ndostop. But in 2003, that was moved ...

CVE-2022-50218 iio: light: isl29028: Fix the warning in isl29028_remove()

In the Linux kernel, the following vulnerability has been resolved: iio: light: isl29028: Fix the warning in isl29028remove The driver use the non-managed form of the register function in isl29028remove. To keep the release order as mirroring the ordering in probe, the driver should use non-manag...

CVE-2022-50218

The CVE-2022-50218 entry describes a Linux kernel vulnerability in the iio: light: isl29028 driver where isl29028_remove() used a non-managed register function, breaking the release order relative to probe and causing a fault trace (null pointer dereference and a general protection fault) during ...

CVE-2022-50219 bpf: Fix KASAN use-after-free Read in compute_effective_progs

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix KASAN use-after-free Read in computeeffectiveprogs Syzbot found a Use After Free bug in computeeffectiveprogs. The reproducer creates a number of BPF links, and causes a fault injected alloc to fail, while calling...

CVE-2022-50217 fuse: write inode in fuse_release()

In the Linux kernel, the following vulnerability has been resolved: fuse: write inode in fuserelease A race between write2 and close2 allows pages to be dirtied after fuseflush - writeinodenow. If these pages are not flushed from fuserelease, then there might not be a writable open file later. So...

CVE-2022-50215 scsi: sg: Allow waiting for commands to complete on removed device

In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Allow waiting for commands to complete on removed device When a SCSI device is removed while in active use, currently sg will immediately return -ENODEV on any attempt to wait for active commands that were sent before t...

CVE-2022-50214 coresight: Clear the connection field properly

In the Linux kernel, the following vulnerability has been resolved: coresight: Clear the connection field properly coresight devices track their connections output connections and hold a reference to the fwnode. When a device goes away, we walk through the devices on the coresight bus and make su...

CVE-2022-50212 netfilter: nf_tables: do not allow CHAIN_ID to refer to another table

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: do not allow CHAINID to refer to another table When doing lookups for chains on the same batch by using its ID, a chain from a different table can be used. If a rule is added to a table but refers to a chain ...

CVE-2022-50213

CVE-2022-50213 is a Linux kernel nf_tables/use-after-free vulnerability. When looking up NFT sets by ID within a batch, a set from a different table could be returned, and after the table was freed, a dangling reference could be exploited. The issue is in the cross-table handling of SET_ID and is...