NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference affecting VerifyVoteExtension and vote verification functions. An attacker can cause intermittent validator panics and disrupt consensus operations by submitting a VoteExtension message with the blockhash field...

EUVD-2022-55694

In the Linux kernel, the following vulnerability has been resolved: mmc: meson-gx: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, it will lead two issues: 1. The memory that allocated in mmcallochost is leaked. 2. In the remove path, mmcremovehost...

EUVD-2025-201635

In the Linux kernel, the following vulnerability has been resolved: amd/amdkfd: resolve a race in amdgpuamdkfddevicefinisw There is race in amdgpuamdkfddevicefinisw and interrupt. if amdgpuamdkfddevicefinisw run in b/w kfdcleanupnodes and kfreekfd, and KGD interrupt generated. kernel panic log:...

CVE-2023-53756

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and 'Enlightened MSR Bitmap' when running as a nested hypervisor on top of Hyper-V. When MSR bitmap is updated, evmcstouchmsrbitmap function uses...

DEBIAN-CVE-2023-53756

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and 'Enlightened MSR Bitmap' when running as a nested hypervisor on top of Hyper-V. When MSR bitmap is updated, evmcstouchmsrbitmap function uses...

CVE-2022-50620

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to invalidate dcc-f2fsissuediscard in error path Syzbot reports a NULL pointer dereference issue as below: refcountadd include/linux/refcount.h:193 inline refcountinc include/linux/refcount.h:250 inline refcountinc...

DEBIAN-CVE-2022-50620

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to invalidate dcc-f2fsissuediscard in error path Syzbot reports a NULL pointer dereference issue as below: refcountadd include/linux/refcount.h:193 inline refcountinc include/linux/refcount.h:250 inline refcountinc...

UBUNTU-CVE-2022-50620

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to invalidate dcc-f2fsissuediscard in error path Syzbot reports a NULL pointer dereference issue as below: refcountadd include/linux/refcount.h:193 inline refcountinc include/linux/refcount.h:250 inline refcountinc...

UBUNTU-CVE-2023-53766

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction potentially saving from NULL pointer deref...

CVE-2023-53766 FS: JFS: Check for read-only mounted filesystem in txBegin

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction potentially saving from NULL pointer deref...

CVE-2023-53766

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction potentially saving from NULL pointer deref...

CVE-2022-50627 wifi: ath11k: fix monitor mode bringup crash

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix monitor mode bringup crash When the interface is brought up in monitor mode, it leads to NULL pointer dereference crash. This crash happens when the packet type is extracted for a SKB. This extraction which is...

CVE-2022-50627 wifi: ath11k: fix monitor mode bringup crash

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix monitor mode bringup crash When the interface is brought up in monitor mode, it leads to NULL pointer dereference crash. This crash happens when the packet type is extracted for a SKB. This extraction which is...

CVE-2022-50620

CVE-2022-50620: Linux kernel/f2fs issue fixed. Root cause: in the error path of f2fs_start_discard_thread(), dcc->f2fs_issue_discard was not invalidated, allowing kthread_stop() to dereference an invalid pointer in the shutdown path (e.g., f2fs_stop_discard_thread, kill_f2fs_super, and related...

CVE-2022-50620 f2fs: fix to invalidate dcc->f2fs_issue_discard in error path

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to invalidate dcc-f2fsissuediscard in error path Syzbot reports a NULL pointer dereference issue as below: refcountadd include/linux/refcount.h:193 inline refcountinc include/linux/refcount.h:250 inline refcountinc...

CVE-2022-50620 f2fs: fix to invalidate dcc->f2fs_issue_discard in error path

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to invalidate dcc-f2fsissuediscard in error path Syzbot reports a NULL pointer dereference issue as below: refcountadd include/linux/refcount.h:193 inline refcountinc include/linux/refcount.h:250 inline refcountinc...

DEBIAN-CVE-2025-40321

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix crash while sending Action Frames in standalone AP Mode Currently, whenever there is a need to transmit an Action frame, the brcmfmac driver always uses the P2P vif to send the "actframe" IOVAR to firmware. Th...

DEBIAN-CVE-2025-40310

In the Linux kernel, the following vulnerability has been resolved: amd/amdkfd: resolve a race in amdgpuamdkfddevicefinisw There is race in amdgpuamdkfddevicefinisw and interrupt. if amdgpuamdkfddevicefinisw run in b/w kfdcleanupnodes and kfreekfd, and KGD interrupt generated. kernel panic log:...

UBUNTU-CVE-2025-40290

In the Linux kernel, the following vulnerability has been resolved: xsk: avoid data corruption on cq descriptor number Since commit 30f241fcf52a "xsk: Fix immature cq descriptor production", the descriptor number is stored in skb control block and xskcqsubmitaddrlocked relies on it to put the ume...

UBUNTU-CVE-2025-40292

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix received length check in big packets Since commit 4959aebba8c0 "virtio-net: use mtu size as buffer length for big packets", when guest gso is off, the allocated size for big packets is not MAXSKBFRAGS PAGESIZE...