UBUNTU-CVE-2026-80533

In the Linux kernel, the following vulnerability has been resolved: xfs: don't walk off the end of a null sc-sa.agibp in AGI repair LOLLM noticed a longstanding bug where xrepiunlinkwalkondiskbucket tries to walk ragi-sc-sa.agibp to rebuild the unlinked inode lists. Unfortunately, it's possible f...

CVE-2026-80522

In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - fix rctx-cryptlen calculation in tegragcmdoonereq Perform rctx-cryptlen calculation in tegragcmdoonereq the same way it is done in tegraccmcryptinit. The current formulae may lead to a crash if a caller does not...

CVE-2026-80583

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: lpass-tx-macro: Fix enum kcontrol accesses The "DEC0 MODE" to "DEC7 MODE" controls are enumerated, but txmacrodecmodeget and txmacrodecmodeput access their value through ucontrol-value.integer.value0 a long instead ...

CVE-2026-80531

In the Linux kernel, the following vulnerability has been resolved: xfs: avoid UAF on sc-tempip in xreptempfilecreate LOLLM noticed a potential UAF if the tempfile creation code fails after it set sc-tempip. Fix that...

CVE-2026-80585

In the Linux kernel, the following vulnerability has been resolved: mptcp: fastopen: only mark MPTFO subflows with SYN data Passive TCP Fast Open accepts a valid-cookie SYN even when it carries no data. In that case the child socket's receive queue is intentionally left empty...

CVE-2026-80572

In the Linux kernel, the following vulnerability has been resolved: Input: byd - synchronize timer deletion before freeing private data byddisconnect uses timerdelete before freeing the driver's private data. This does not wait for a running bydcleartouch callback, which dereferences the private...

CVE-2026-80520

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix NULL dereference when killing missing key ovpncryptokillkey assumes both crypto slots are populated and dereferences each slot before checking it. That is not guaranteed: a peer can have only one installed key, and the...

CVE-2026-80556

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-after-free in atmciremove due to race condition In atmciprobe, &host-bhwork is bound with atmciworkfunc, and atmciinterrupt, atmcitimeouttimer and atmcidmacomplete can all queue this work on systembhwq. If...

CVE-2026-80565

In the Linux kernel, the following vulnerability has been resolved: crypto: qce - fix error path in devmqceregisteralgs If ops-registeralgs fails, the error path repeatedly calls the same ops-unregisteralgs from the failed registration. Use the loop index to unregister the previously registered...

CVE-2026-80548

In the Linux kernel, the following vulnerability has been resolved: s390/vfioccw: Selectively expand iomutex The iomutex was defined to serialize the ioregions, but then has also sort of been associated with the I/O themselves because of the close relationship they share. With the handful of race...

CVE-2026-80551

In the Linux kernel, the following vulnerability has been resolved: s390/vfioccw: Ensure first IDAW remains constant The first IDAW in a list does not need to be on a 2K/4K boundary like all others, and so is read separately to accurately calculate the size of the buffer needed to read the full...

CVE-2026-80561

In the Linux kernel, the following vulnerability has been resolved: libceph: fix multiple unsafe decodes in decodelocker decodelocker in clslockclient.c contains three unsafe decode operations that allow a malicious or compromised OSD to trigger slab-out-of-bounds reads: 1. cephdecodecopy at the...

CVE-2026-80552

In the Linux kernel, the following vulnerability has been resolved: s390/vfioccw: Ensure index for read/write regions are within range The introduction of the capability chain rightly clamped the region indexes to the range of the capabilities itself, but neglected to do so for the existing...

CVE-2026-80578

In the Linux kernel, the following vulnerability has been resolved: fbdev: core: Fix pointer desynchronization in fbioread In fbioread, if copytouser performs a partial copy e.g., due to a faulty user buffer, the loop adjusts the chunk size 'c' and updates the remaining 'count'. However, the...

CVE-2026-80575

In the Linux kernel, the following vulnerability has been resolved: Input: cs40l50-vibra - validate custom data from user space cs40l50add copies the custom data of an FFPERIODIC/FFCUSTOM effect straight from the ffeffect the user passed to EVIOCSFF, without requiring it to hold anything:...

CVE-2026-80587

In the Linux kernel, the following vulnerability has been resolved: mptcp: avoid combining some incoming suboptions Some MPTCP suboptions are mutually exclusive according to the RFC8684, but also because in different places, the code doesn't expect some combinations to be present. That's speciall...

CVE-2026-80546

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Improve CCA CPRB length and overflow checks The xcrbmsgtotype6cprbmsgx function lacks proper input validation, creating security vulnerabilities: 1. Integer overflow after CEIL4 alignment: Signed int variables could...

CVE-2026-80547

In the Linux kernel, the following vulnerability has been resolved: s390/vfioccw: Implement a crw lock Unlike the channelprogram struct, which covers synchronous I/O submissions and asynchronous interrupts, the CRW region relies exclusively on asynchronous events coming from hardware. Implement a...

CVE-2026-80557

In the Linux kernel, the following vulnerability has been resolved: libceph: fix OOB read in decodewatchers via missing bounds check cephstartdecoding validates that structlen bytes remain in the buffer after the encoding header, but accepts structlen=0 as valid: cephdecodeneedp, end, 0, bad alwa...

CVE-2026-80529

In the Linux kernel, the following vulnerability has been resolved: xfs: don't swallow dquot recovery verification errors xlogrecoverdquotcommitpass2 validates the recovered dquot with xfsdqblkverify and, on failure, sets error = -EFSCORRUPTED and jumps to outrelease. But outrelease unconditional...