Linux Distros Unpatched Vulnerability : CVE-2026-63821

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: rtw88: usb: fix memory leaks on USB write failures When rtwusbwriteport fails to submit a USB Request Block URB e.g., due to device disconnect or ENOMEM,...

SUSE CVE-2026-53367

In the Linux kernel, the following vulnerability has been resolved: selinux: fix avdcache auditing The per-task avdcache was incorrectly saving and reusing the audited vector computed by avcauditrequired rather than recomputing based on the currently requested permissions and distinguishing the...

SUSE CVE-2026-53368

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix fsck inconsistency caused by incorrect natentry flag usage f2fsneeddentrymark reads natentry flags without mutual exclusion with the checkpoint path, which can result in an incorrect inode block marking state. The...

SUSE CVE-2026-53385

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,...

SUSE CVE-2026-63799

In the Linux kernel, the following vulnerability has been resolved: sched/mmcid: Fix OOB clearbit when CID is MMCIDUNSET in fixup path In mmcidfixupcpustotasks, when rq-curr has the target mm and mmcid.active is set, the CID is checked with cidintransit before setting the transition bit. In per-C...

SUSE CVE-2026-63811

In the Linux kernel, the following vulnerability has been resolved: f2fs: read COW data with the original inode during atomic write When updating an atomic-write file, f2fswritebegin may read the previously written data back from the COW inode: prepareatomicwritebegin locates the block in the COW...

SUSE CVE-2026-63821

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: usb: fix memory leaks on USB write failures When rtwusbwriteport fails to submit a USB Request Block URB e.g., due to device disconnect or ENOMEM, the completion callback is never executed. Currently, the driver...

SUSE CVE-2026-63831

In the Linux kernel, the following vulnerability has been resolved: mac802154: llsec: add skbcowdata before in-place crypto llsecdoencryptunauth, llsecdoencryptauth, llsecdodecryptunauth, and llsecdodecryptauth all perform in-place cryptographic transformations on skb data. They build a scatterli...

CVE-2026-64186

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Remove latent out-of-bounds access in IOMMU debugfs In iommummiowrite and iommucapabilitywrite, the variables dbgmmiooffset and dbgcapoffset are declared as int. However, they are populated using kstrtou32fromuser. If ...

CVE-2026-64160

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix potential for tearing in -remoteisize and -zeropoint Fix potential tearing in using -remoteisize and -zeropoint by copying isizeread and isizewrite and using the same seqcount as for isize. We need to make sure that...

CVE-2026-64156

In the Linux kernel, the following vulnerability has been resolved: netfs, afs: Fix write skipping in dir/link writepages Fix netfswritesingle and afssinglewritepages to better handle a write that would be skipped due to lock contention and WBSYNCNONE by returning 1 from netfswritesingle if it...

CVE-2026-64157

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix partial invalidation of streaming-write folio In netfsinvalidatefolio, if the region of a partial invalidation overlaps the front but not all of a dirty write cached in a streaming write page dirty, but not uptodate,...

CVE-2026-64158

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix write streaming disablement if fd open ORDWR In netfsperformwrite, "write streaming" the caching of dirty data in dirty but !uptodate folios is performed to avoid the need to read data that is just going to get...

CVE-2026-64068

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing locking around retry adding new subreqs Fix netfsretryreadsubrequests and netfsretrywritestream to take the appropriate lock when adding extra subrequests into stream-subrequests...

CVE-2026-64065

In the Linux kernel, the following vulnerability has been resolved: netfs: fix VMBUGONFOLIO issue in netfswritebegin call The multiple runs of generic/013 test-case is capable to reproduce a kernel BUG at mm/filemap.c:1504 with probability of 30%. while true; do sudo ./check generic/013 done...

CVE-2026-64063

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix streaming write being overwritten In order to avoid reading whilst writing, netfslib will allow "streaming writes" in which dirty data is stored directly into folios without reading them first. Such folios are marked...

CVE-2026-64060

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix leak of request in netfswritebegin error handling Fix netfswritebegin to not leak our ref on the request in the event that we get an error from netfswaitforread...

CVE-2026-64029

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Serialize UMP output teardown with eventinput sequmpprocessevent borrows client-outrfile.output without synchronizing with the first-open and last-close transition in sequmpclientopen and sequmpclientclose. The last...

CVE-2026-64009

In the Linux kernel, the following vulnerability has been resolved: xfrm: Check for underflow in xfrmstatemtu Leo Lin reported OOB write issue in esp component: xfrmstatemtu returns u32 but performs its arithmetic in unsigned modulo-2^32 space using an attacker-influenced "headerlen + authsize +...

CVE-2026-63952

In the Linux kernel, the following vulnerability has been resolved: memfd: deny writeable mappings when implying SEALWRITE When SEALEXEC is added, SEALWRITE is implied to make W^X. But the implied seal is set after the check that makes sure the memfd can not have any writable mappings. This means...