CVE-2026-89711: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: NFSD: remove flawed WARNONONCE from nfsdmodecheck The header for commit e75b23f9e323 "nfsd: check dcanlookup in fhverify of directories" details the assumption that justified adding the WARNONONCE to nfsdmodecheck, that assumptio...

Linux Kernel Security Vulnerabilities

The Linux kernel has a security vulnerability. This vulnerability arises from the fact that nlmsvcops is declared by nfsdlockdinit, and normal storage is used during the cleanup of nfsdlockdshutdown. However, lockd unreleases this pointer without protection at the distribution point in...

PT-2026-96363

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject Read lists that exceed the page budget Individual Read segment lengths are validated at decode time, but nothing prevents a requester from sending multiple segments whose cumulative length exceeds the rq pages arr...

PT-2026-90486

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference can occur in the iomap bio read folio range sync function. This happens because fs bio integrity alloc may not allocate a bio integrity payload when PI...

PT-2026-90176

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the s390 CPUMF facility where the kernel can crash when CPUs are hotplug added during the execution of a command such as perf stat -e cycles -- . The root cause is the...

CVE-2026-89509: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/ionic: Embed counter driver data in rdmacounter allocation Commit 7e53b31acc7f "RDMA/core: Create and destroy rdmacounter using rdmazallocdrvobj" requires drivers implementing counter ops to embed struct rdmacounter in a...

CVE-2026-89592: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: accel/rocket: fix NULL dereference and integer overflow in rocketjobpush rocketjobpush allocates a temporary array to hold all input and output GEM object pointers: bos = kvmallocarrayjob-inbocount + job-outbocount, sizeofvoid ,...

CVE-2026-89457: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Guard sysfs discipline callbacks against unallocated private data Several sysfs show/store handlers call a discipline callback that dereferences device-private, either directly or through the DASDDEFINEATTR macro. Duri...

CVE-2026-89460: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: s390/cpumcf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpucfevents at first event...

CVE-2026-89734: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Fix null pointer dereference in uvcgvideoinit In uvcgvideoinit, if kthreadrunworker fails, the error logged uses uvcgerr, however, the pointer it uses: video-uvc is not assigned at this point, triggering a null...

PT-2026-90225

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the alloc and bind function within the ionic driver. This happens because the driver was not adapted to the requirements of rdma zalloc drv obj, whic...

PT-2026-90307

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the accel/rocket component where the rocket ioctl submit job function releases rjob via rocket job put during allocation error paths. Because rocket job cleanup...

CVE-2026-80963: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: dm-stats: fix a crash if allocation of per-cpu data fails If "dmkvzallocpercpuallocsize, cputonodecpu" fails, the code jumps to the "out" label and calls dmstatfree. dmstatfree does "foreachpossiblecpucpu...

Linux Kernel Security Vulnerabilities

The Linux kernel has a security vulnerability. This vulnerability stems from the ipv6rplsrhrcv function, which does not perform a NULL check on the idev returned by in6devget. When the device’s MTU drops below IPV6MINMTU, addrconfifdown will clear dev-ip6ptr using RCUINITPOINTER. As a result, dat...

PT-2026-90277

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the ipv6 rpl srh rcv function when it accesses the idev variable obtained from in6 dev get without a proper NULL check while reading idev-cnf.rpl seg...

PT-2026-90412

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.6-1.1 Description A NULL pointer dereference exists in the nfsd kthread when CONFIG NFSD V4 2 INTER SSC is enabled. This occurs because nfsd4 putfh can return success with fh dentry and fh export both being...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107270)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107270 advisory. In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: idle: Check acpifetchacpidev return value The return value of acpifetchacpidev...

Linux Distros Unpatched Vulnerability : CVE-2026-79590

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A NULL pointer dereference vulnerability exists in the Prism parser component of mruby 4.0.0. An attacker can provide a specially crafted Ruby source file that...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107296)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107296 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null pointers before multiple uses WHAT & HOW Poniters, such as streamenc...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107312)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107312 advisory. In the Linux kernel, the following vulnerability has been resolved: loop: Fix use-after-free issues doreqfilebacked calls blkmqcompleterequest synchronously or...