Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from not properly handling skwq accesses to dead sockets, which could lead to null pointer dereferences...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not waiting for all skuserdata reads to complete when a vxlan device is deleted, which could result in a nul...

PT-2025-38419

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s md-bitmap driver where the return value of the md bitmap get counter function is not properly checked. If this function returns a NULL pointer, a null...

PT-2025-38432

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The start task function in the Linux kernel may experience a null pointer dereference. This occurs because the return value of create singlethread workqueue is not checked, potentially...

SUSE CVE-2023-53209

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211hwsim: Fix possible NULL dereference In a call to mac80211hwsimselecttxlink the sta pointer might be NULL, thus need to check that it is not NULL before accessing it...

SUSE CVE-2023-53240

In the Linux kernel, the following vulnerability has been resolved: xsk: check IFFUP earlier in Tx path Xsk Tx can be triggered via either sendmsg or poll syscalls. These two paths share a call to common function xskxmit which has two sanity checks within. A pseudo code example to show the two...

SUSE CVE-2025-39807

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Add error handling for old state CRTC in atomicdisable Introduce error handling to address an issue where, after a hotplug event, the cursor continues to update. This situation can lead to a kernel panic due to...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the prefetchParentTask and recursiveDownloadWithDirectMetadata, which the first return value of the functions is dereferenced even when the functions returns an error. An attacker can cause the application t...

Moderate: Red Hat Security Advisory: gnutls security, bug fix, and enhancement update

An update for gnutls is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

CVE-2023-53335

In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Fix potential null-ptr-deref in passestablish If getepfromtid fails to lookup non-NULL value for ep, ep is dereferenced later regardless of whether it is empty. This patch adds a simple sanity check to fix the issue...

CVE-2022-50354

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix kfdprocessdeviceinitvm error handling Should only destroy the ibmem and let process cleanup worker to free the outstanding BOs. Reset the pointer in pdd-qpd structure, to avoid NULL pointer access in process destr...

CVE-2023-53354

In the Linux kernel, the following vulnerability has been resolved: skbuff: skbsegment, Call zero copy functions before using skbuff frags Commit bf5c25d60861 "skbuff: in skbsegment, call zerocopy functions once per nskb" added the call to zero copy functions in skbsegment. The change introduced ...

gnutls: NULL pointer dereference in _gnutls_figure_common_ciphersuite()

A NULL pointer dereference flaw was found in the GnuTLS software in gnutlsfigurecommonciphersuite...

Moderate: Red Hat Security Advisory: gnutls security, bug fix, and enhancement update

An update for gnutls is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

CVE-2023-53354

In the Linux kernel, the following vulnerability has been resolved: skbuff: skbsegment, Call zero copy functions before using skbuff frags Commit bf5c25d60861 "skbuff: in skbsegment, call zerocopy functions once per nskb" added the call to zero copy functions in skbsegment. The change introduced ...

CVE-2023-53343

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fix null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP and will be forwarded to an external IP in the IPv6 Ex...

DEBIAN-CVE-2023-53335

In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Fix potential null-ptr-deref in passestablish If getepfromtid fails to lookup non-NULL value for ep, ep is dereferenced later regardless of whether it is empty. This patch adds a simple sanity check to fix the issue...

DEBIAN-CVE-2022-50374

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcildisc,serdev: check percpuinitrwsem failure syzbot is reporting NULL pointer dereference at hciuartttyclose 1, for rcusyncenter is called without rcusyncinit due to hciuartttyopen ignoring percpuinitrwsem failure...

CVE-2023-53335

In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Fix potential null-ptr-deref in passestablish If getepfromtid fails to lookup non-NULL value for ep, ep is dereferenced later regardless of whether it is empty. This patch adds a simple sanity check to fix the issue...

DEBIAN-CVE-2023-53336

In the Linux kernel, the following vulnerability has been resolved: media: ipu-bridge: Fix null pointer deref on SSDB/PLD parsing warnings When ipubridgeparserotation and ipubridgeparseorientation run sensor-adev is not set yet. So if either of the devwarn calls about unknown values are hit this...