CVE-2026-53383: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: ksmbd: reject non-VALID session in compound request branch smb2checkusersession takes a shortcut for any operation that is not the first in a COMPOUND request: it reuses work-sess the session bound by the first operation and...

CVE-2026-64079: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: allocate hook ops while under mutex arp/ip6tregistertable add the table to the per-netns list via xtregistertable before allocating the per-netns hook ops copy via kmemduparray. This leaves a window where the...

CVE-2026-64048: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: net/smc: reject CHID-0 ACCEPT that matches an empty ismdev slot On the SMC-D client, slot 0 of ini-ismdev/ini-ismchid is reserved for an SMC-Dv1 device. smcfindismv2deviceclnt populates V2 entries starting at index 1, so when no ...

CVE-2026-63945: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: serialize isosockcleartimer with socket lock isosockclose calls isosockcleartimer before acquiring locksocksk. isosockcleartimer reads isopisk-conn twice without the socket lock held: if !isopisk-conn return;...

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-2026-53392: 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-2026-53391: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: reject zero-length raddr in nfs4decodempdsaddr nfs4decodempdsaddr decodes the rnetid and raddr opaques of a netaddr4 from a GETDEVICEINFO multipath-DS body, then immediately calls strrchrbuf, '.' to locate the port...

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-2026-53400: 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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-53403

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-53385: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: vcscreen: fix null-ptr-deref in vcsnotifier during concurrent vcswrite A KASAN null-ptr-deref was observed in vcsnotifier: BUG: KASAN: null-ptr-deref in vcsnotifier+0x98/0x130 Read of size 2 at addr qmpcmdname: qmpcapabilities,...

Linux Distros Unpatched Vulnerability : CVE-2026-53392

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle- version array count from the flexfiles layout body. The value is...

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...

edk2 security, bug fix, and enhancement update

20251114-5.0.1.el102.2 - Replace upstream references Orabug:36569119 20251114-5.el102.2 - edk2-Revert-OvmfPkg-X86QemuLoadImageLib-flip-default-for-.patch RHEL-182421 - edk2-Bumped-to-OpenSSL-3.5.5-3.patch RHEL-165699 - Resolves: RHEL-182421 edk2/x64: re-enable legacy kernel loader rhel-10.2.z -...

CVE-2026-62309: NULL Pointer Dereference

CoreDNS is a DNS server written in Go. Prior to 1.14.4, a single 28-byte UDP datagram can crash the CoreDNS process when the proxyproto plugin is enabled because plugin/pkg/proxyproto/proxyproto.go PacketConn.ReadFrom handles a PROXY v2 header with non-UDP transport such as family byte 0x11,...