CVE-2023-54279 MIPS: fw: Allow firmware to pass a empty env

In the Linux kernel, the following vulnerability has been resolved: MIPS: fw: Allow firmware to pass a empty env fwgetenv will use env entry to determine style of env, however it is legal for firmware to just pass a empty list. Check if first entry exist before running strchr to avoid null pointe...

CVE-2023-54276

Summary of CVE-2023-54276 (Linux kernel, nfsd): A regression caused a NULL pointer dereference when userland accessed /proc/fs/nfsd/reply_cache_stats before nfsd started. The bug arose after moving per-net+per-cpu reply-cache counters into nfsd startup, which did not account for the stats counter...

CVE-2023-54271

CVE-2023-54271 concerns a NULL pointer dereference in the Linux kernel related to block cgroup handling. The issue arises when blkcg_activate_policy installs blkg_policy_data before ioc_weight policy data is fully initialized, causing a race with ioc_weight_write() that can encounter an uninitial...

CVE-2023-54271 blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix NULL deref caused by blkgpolicydata being installed before init blk-iocost sometimes causes the following crash: BUG: kernel NULL pointer dereference, address: 00000000000000e0 ... RIP: 0010:rawspinlock+0x17/0x30...

CVE-2023-54271 blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix NULL deref caused by blkgpolicydata being installed before init blk-iocost sometimes causes the following crash: BUG: kernel NULL pointer dereference, address: 00000000000000e0 ... RIP: 0010:rawspinlock+0x17/0x30...

CVE-2023-54271

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix NULL deref caused by blkgpolicydata being installed before init blk-iocost sometimes causes the following crash: BUG: kernel NULL pointer dereference, address: 00000000000000e0 ... RIP: 0010:rawspinlock+0x17/0x30...

CVE-2023-54264 fs/sysv: Null check to prevent null-ptr-deref bug

In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sbgetblkinode-isb, parent return a null ptr and taking lock on that leads to the null-ptr-deref bug...

CVE-2023-54264

In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sbgetblkinode-isb, parent return a null ptr and taking lock on that leads to the null-ptr-deref bug...

CVE-2023-54264 fs/sysv: Null check to prevent null-ptr-deref bug

In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sbgetblkinode-isb, parent return a null ptr and taking lock on that leads to the null-ptr-deref bug...

CVE-2023-54264

CVE-2023-54264 concerns the Linux kernel, in the fs/sysv path, where a null pointer dereference could occur if sb_getblk(inode->i_sb, parent) returns NULL and a lock is taken on it. The connected advisories confirm the vulnerability and note that a fix was applied by adding a null check to pre...

CVE-2023-54261

CVE-2023-54261 involves the Linux kernel’s drm/amdkfd gfx11 MQD manager: a missing mqd_stride callback caused a NULL dereference in debugfs. The issue arises because mqd_stride was added in a commit for multi-XCC setups but was not assigned for gfx11. The fix is to add the missing gfx11 MQD manag...

CVE-2023-54261 drm/amdkfd: Add missing gfx11 MQD manager callbacks

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Add missing gfx11 MQD manager callbacks mqdstride function was introduced in commit 2f77b9a242a2 "drm/amdkfd: Update MQD management on multi XCC setup" but not assigned for gfx11. Fixes a NULL dereference in debugfs...

CVE-2023-54261 drm/amdkfd: Add missing gfx11 MQD manager callbacks

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Add missing gfx11 MQD manager callbacks mqdstride function was introduced in commit 2f77b9a242a2 "drm/amdkfd: Update MQD management on multi XCC setup" but not assigned for gfx11. Fixes a NULL dereference in debugfs...

CVE-2023-54249 bus: mhi: ep: Only send -ENOTCONN status if client driver is available

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: ep: Only send -ENOTCONN status if client driver is available For the STOP and RESET commands, only send the channel disconnect status -ENOTCONN if client driver is available. Otherwise, it will result in null pointer...

CVE-2023-54249

The CVE concerns the Linux kernel component bus: mhi: ep. The issue arises when handling STOP and RESET commands: the system may send a -ENOTCONN status even if the client driver is not available, which could lead to a null pointer dereference. The available connected sources confirm this is a ke...

CVE-2022-50866

In the Linux kernel, the following vulnerability has been resolved: ASoC: pxa: fix null-pointer dereference in filter kasprintf would return NULL pointer when kmalloc fail to allocate. Need to check the return pointer before calling strcmp...

CVE-2023-54241

In the Linux kernel, the following vulnerability has been resolved: MIPS: KVM: Fix NULL pointer dereference After commit 45c7e8af4a5e3f0bea4ac209 "MIPS: Remove KVMTE support" we get a NULL pointer dereference when creating a KVM guest: 146.243409 Starting KVM with MIPS VZ extensions 149.849151 CP...

CVE-2023-54240 net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all()

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: fix possible NULL pointer dereference in mtkhwlrogetfdirall rulelocs is allocated in ethtoolgetrxnfc and the size is determined by rulecnt from user space. So rulecnt needs to be check before using...

CVE-2023-54240

The CVE-2023-54240 issue is a Linux kernel NULL pointer dereference in the MTK ethernet driver (net: ethernet: mtk_eth_soc) during fdir all handling in mtk_hwlro_get_fdir_all(). The root cause is that rule_locs is allocated based on rule_cnt from user space in ethtool_get_rxnfc, and rule_cnt is n...

CVE-2023-54240

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: fix possible NULL pointer dereference in mtkhwlrogetfdirall rulelocs is allocated in ethtoolgetrxnfc and the size is determined by rulecnt from user space. So rulecnt needs to be check before using...