CVE-2026-64071: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix use-after-free in nvmefreehostmem nvmefreehostmem frees dev-hmbsgt via dmafreenoncontiguous but never clears the pointer afterward. This leads to a use-after-free if nvmefreehostmem is called twice in the same error...

CVE-2026-63810: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: block: Avoid mounting the bdev pseudo-filesystem in userspace The bdev pseudo-filesystem is an internal kernel filesystem with which userspace should not interfere. Unregister it so that userspace cannot even attempt to mount it...

CVE-2026-53392: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

CVE-2026-53392: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

CVE-2026-53403: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: fbdev: Fix fbnewmodelist to prevent null-ptr-deref in fbvideomodetovar info-var, a framebuffer's current mode, is expected to have a matching entry in info-modelist. vartodisplay relies on this and treats a failed fbmatchmode as...

CVE-2026-53399: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease failure nfs4allocstid publishes the new stid into cl-clstateids via idralloccyclic under cllock before returning to nfsd4alloclayoutstateid. When nfsd4layoutsetlease then fails, the error pat...

CVE-2026-63990: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bonding: refuse to enslave CAN devices syzbot reported a kernel paging request crash in canrxunregister inside net/can/afcan.c. The crash occurs because a virtual CAN device vxcan is being enslaved to a bonding master. During the...

CVE-2026-63882: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix NULL pointer bug in svmrangesetattr The processinfo could be NULL if user doesn't call kfdioctlacquirevm before calling kfdioctlsvm. cherry picked from commit 83a26c812e0529eb040d31a76f73e33e637243d4...

CVE-2026-63964: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: ccg: reject firmware images without a ':' record header doflash locates the first .cyacd record with p = strnchrfw-data, fw-size, ':'; while p eof s = strnchrp + 1, eof - p - 1, ':'; ... If the firmware image...

CVE-2026-64141: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in compareguidkey sessionfdcheck walks the per-inode moplist during durable-handle session teardown and sets op-conn = NULL for every opinfo whose conn matched the closing session's connection...

CVE-2026-63956: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: fix memory corruption with small endpoint Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption or NULL-pointer dereference should a...

CVE-2026-53400: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: i2c: core: fix adapter registration race Adapters can be looked up based on their id using i2cgetadapter which takes a reference to the embedded struct device. Make sure that the adapter including its struct device has been...

Linux Kernel Security Vulnerabilities

The Linux kernel version 6.4 contains security vulnerabilities. These vulnerabilities stem from the use of incorrect inode data during atomic write operations when reading COW Copy-On-Write data. This can lead to null pointer dereferencing in the kernel...

Oracle Linux 10 : httpd (ELSA-2026-21433)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-21433 advisory. - Resolves: RHEL-186221 - httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers CVE-2026-34356 - Resolves: RHEL-186195 ...

httpd security update

2.4.63-13.0.1.el102.4 - Replace index.html with Oracle's index page oracleindex.html. 2.4.63-13.4 - Resolves: RHEL-186221 - httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers CVE-2026-34356 - Resolves: RHEL-186195 - httpd: Apache HTTP Server: Heap-based Buffer...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the proxyproto plugin when handling a PROXY v2 datagram with a non-UDP transport. An attacker can cause the process to crash by sending a specially crafted 28-byte UDP packet when the plugin is enabled...

CVE-2026-15352 NASA Core Flight System (cFS) Health & Safety (HS) Application NULL Pointer Dereference

A vulnerability exists in the Health & Safety HS application of NASA's Core Flight System cFS. The flaw allows the application to crash via segmentation fault when processing a routine Housekeeping Telemetry request, leading to denial of service...

CVE-2026-15352: NULL Pointer Dereference

A vulnerability exists in the Health & Safety HS application of NASA's Core Flight System cFS. The flaw allows the application to crash via segmentation fault when processing a routine Housekeeping Telemetry request, leading to denial of service...

Amazon Linux 2023 : haproxy (ALAS2023-2026-1915)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1915 advisory. HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl.c that fails to validate the return value of hpackdhtdefrag when...

Oracle Linux 9 : kernel (ELSA-2026-38491)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-38491 advisory. - futex/requeue: Revert 'Prevent NULL pointer dereference in removewaiter on self-deadlock'' Phil Auld RHEL-193245 CVE-2026-53166 - locking/rtmutex:...