CVE-2023-53653

In the Linux kernel, the following vulnerability has been resolved: media: amphion: fix REVERSEINULL issues reported by coverity null-checking of a pointor is suggested before dereferencing it...

CVE-2023-53621

In the Linux kernel, the following vulnerability has been resolved: memcontrol: ensure memcg acquired by id is properly set up In the eviction recency check, we attempt to retrieve the memcg to which the folio belonged when it was evicted, by the memcg id stored in the shadow entry. However, ther...

CVE-2022-50555

In the Linux kernel, the following vulnerability has been resolved: tipc: fix a null-ptr-deref in tipctopsrvaccept syzbot found a crash in tipctopsrvaccept: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f Workqueue: tipcrcv tipctopsrvaccept RIP: 0010:kernelaccept+0x22d/0x350...

CVE-2022-50533

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: mlme: fix null-ptr deref on failed assoc If association to an AP without a link 0 fails, then we crash in tracing because it assumes that either apmldaddr or link 0 BSS is valid, since we clear sdata-vif.validlink...

UBUNTU-CVE-2023-53627

In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: Grab sasdev lock when traversing the members of sasdev.list When freeing slots in function slotcompletev3hw, it is possible that sasdev.list is being traversed elsewhere, and it may trigger a NULL pointer exception...

UBUNTU-CVE-2023-53658

In the Linux kernel, the following vulnerability has been resolved: spi: bcm-qspi: return error if neither hifmspi nor mspi is available If neither a "hifmspi" nor "mspi" resource is present, the driver will just early exit in probe but still return success. Apart from not doing anything...

UBUNTU-CVE-2022-50555

In the Linux kernel, the following vulnerability has been resolved: tipc: fix a null-ptr-deref in tipctopsrvaccept syzbot found a crash in tipctopsrvaccept: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f Workqueue: tipcrcv tipctopsrvaccept RIP: 0010:kernelaccept+0x22d/0x350...

UBUNTU-CVE-2023-53653

In the Linux kernel, the following vulnerability has been resolved: media: amphion: fix REVERSEINULL issues reported by coverity null-checking of a pointor is suggested before dereferencing it...

UBUNTU-CVE-2023-53678

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix system suspend without fbdev being initialized If fbdev is not initialized for some reason - in practice on platforms without display - suspending fbdev should be skipped during system suspend, fix this up. While at...

UBUNTU-CVE-2022-50524

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Check return value after calling platformgetresource platformgetresource may return NULL pointer, we need check its return value to avoid null-ptr-deref in resourcesize...

CVE-2023-53686 net/handshake: fix null-ptr-deref in handshake_nl_done_doit()

In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if socket lookup has failed. Also we should call tracehandshakecmddoneerr before releasing the file, otherwise dereferencing...

EUVD-2025-32731

In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if socket lookup has failed. Also we should call tracehandshakecmddoneerr before releasing the file, otherwise dereferencing...

CVE-2023-53686 net/handshake: fix null-ptr-deref in handshake_nl_done_doit()

In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if socket lookup has failed. Also we should call tracehandshakecmddoneerr before releasing the file, otherwise dereferencing...

CVE-2023-53681 bcache: Fix __bch_btree_node_alloc to make the failure behavior consistent

In the Linux kernel, the following vulnerability has been resolved: bcache: Fix bchbtreenodealloc to make the failure behavior consistent In some specific situations, the return value of bchbtreenodealloc may be NULL. This may lead to a potential NULL pointer dereference in caller function like a...

EUVD-2025-32740

In the Linux kernel, the following vulnerability has been resolved: wifi: mt7601u: fix an integer underflow Fix an integer underflow that leads to a null pointer dereference in 'mt7601urxskbfromseg'. The variable 'dmalen' in the URB packet could be manipulated, which could trigger an integer...

CVE-2023-53664 OPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()

In the Linux kernel, the following vulnerability has been resolved: OPP: Fix potential null ptr dereference in devpmoppgetrequiredpstate "opp" pointer is dereferenced before the ISERRORNULL check. Fix it by removing the dereference to cache opptable and dereference it directly where opptable is...

CVE-2023-53657 ice: Don't tx before switchdev is fully configured

In the Linux kernel, the following vulnerability has been resolved: ice: Don't tx before switchdev is fully configured There is possibility that iceeswitchportstartxmit might be called while some resources are still not allocated which might cause NULL pointer dereference. Fix this by checking if...

CVE-2023-53657 ice: Don't tx before switchdev is fully configured

In the Linux kernel, the following vulnerability has been resolved: ice: Don't tx before switchdev is fully configured There is possibility that iceeswitchportstartxmit might be called while some resources are still not allocated which might cause NULL pointer dereference. Fix this by checking if...

EUVD-2025-32775

In the Linux kernel, the following vulnerability has been resolved: ice: Don't tx before switchdev is fully configured There is possibility that iceeswitchportstartxmit might be called while some resources are still not allocated which might cause NULL pointer dereference. Fix this by checking if...

CVE-2022-50555

CVE-2022-50555 : Linux kernel Tipc topsrv accept crashes due to a null pointer dereference when srv->listener is null (set by tipc_topsrv_stop). Root cause: concurrent use of a potentially null listener inside tipc_topsrv_accept; protection via srv->idr_lock, and a missing check allowed der...