CVE-2026-89483

In the Linux kernel, the following vulnerability has been resolved: nvme: zero the discard fallback page nvmesetupdiscard always maps sizeofstruct nvmedsmrange NVMEDSMMAXRANGES = 4096 bytes as the DSM payload however many ranges the command declares, because some devices ignore the 'Number of...

DEBIAN-CVE-2026-89458

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Do not complete a failed ESE read as successful dasdinthandler completes an NRF read of an unallocated ESE track by calling eseread and unconditionally marking the request DASDCQRSUCCESS. dasdeckdeseread can return an...

AZL-100124 CVE-2026-81016 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/pmc: Propagate SMU errors and validate S2D address amdstbs2dinit discards the return value of several S2D SMU commands. When the SMU refuses a command e.g. "SMU cmd failed. err: 0xff" the failure is only noticed...

DEBIAN-CVE-2026-80970

In the Linux kernel, the following vulnerability has been resolved: ALSA: FCP: do not copy out an uninitialised init response fcpioctlinit allocates its response buffer with kmalloc and copies the whole buffer back to userspace: bufsize = init.step0respsize + init.step2respsize; void resp freekfr...

DEBIAN-CVE-2026-80956

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: only hand out initialized cache segments getcachesegment scans the segment map up to cache-nsegs, the physical device segment count, but cachesegsinit only initializes the first cacheinfo-nsegs segments. A crafted imag...

CVE-2026-89483

In the Linux kernel, the following vulnerability has been resolved: nvme: zero the discard fallback page nvmesetupdiscard always maps sizeofstruct nvmedsmrange NVMEDSMMAXRANGES = 4096 bytes as the DSM payload however many ranges the command declares, because some devices ignore the 'Number of...

CVE-2026-89515

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fill in DMA padding bytes in scsiallocsgtables During fuzz testing, the following issue was discovered: BUG: KMSAN: uninit-value in dmamapsgattrs+0x217/0x310 dmamapsgattrs+0x217/0x310 dmamapsgattrs+0x4a/0x70...

UBUNTU-CVE-2026-89515

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fill in DMA padding bytes in scsiallocsgtables During fuzz testing, the following issue was discovered: BUG: KMSAN: uninit-value in dmamapsgattrs+0x217/0x310 dmamapsgattrs+0x217/0x310 dmamapsgattrs+0x4a/0x70...

CVE-2026-80970

In the Linux kernel, the following vulnerability has been resolved: ALSA: FCP: do not copy out an uninitialised init response fcpioctlinit allocates its response buffer with kmalloc and copies the whole buffer back to userspace: bufsize = init.step0respsize + init.step2respsize; void resp freekfr...

UBUNTU-CVE-2026-89483

In the Linux kernel, the following vulnerability has been resolved: nvme: zero the discard fallback page nvmesetupdiscard always maps sizeofstruct nvmedsmrange NVMEDSMMAXRANGES = 4096 bytes as the DSM payload however many ranges the command declares, because some devices ignore the 'Number of...

UBUNTU-CVE-2026-89616

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix info-leak on partial LZNT decompress in nireadframe nireadframe decompresses an LZNT $DATA frame into the vmapped target pages and then trusts decompresslznt's return value: uncsize = decompresslzntframeondisk,...

UBUNTU-CVE-2026-80927

In the Linux kernel, the following vulnerability has been resolved: timekeeping: Check the return value of tkgetauxts64 in doadjtimex If the auxiliary clock is disabled during tkgetauxts64 but is enabled before tks-clockvalid is checked, then uninitialized stackdata will be used in the calculatio...

CVE-2026-89765 timers/itimer: Zero-init old itimerval before copy to userspace

In the Linux kernel, the following vulnerability has been resolved: timers/itimer: Zero-init old itimerval before copy to userspace On native sparc64, struct kerneloldtimeval contains a four-byte hole after tvusec because tvsec is 64-bit while kernelsusecondst is 32-bit. putitimerval fills only t...

CVE-2026-89618 eventfs: Initialize ei->children and ei->list in init_ei()

In the Linux kernel, the following vulnerability has been resolved: eventfs: Initialize ei-children and ei-list in initei eventfscreatedir allocates the eventfsinode and initializes it with initei. But this does not initialize the eventfsinode listheads. If the eventfscreatedir fails due to memor...

CVE-2026-89616 fs/ntfs3: fix info-leak on partial LZNT decompress in ni_read_frame()

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix info-leak on partial LZNT decompress in nireadframe nireadframe decompresses an LZNT $DATA frame into the vmapped target pages and then trusts decompresslznt's return value: uncsize = decompresslzntframeondisk,...

CVE-2026-89616

CVE-2026-89616 is an information disclosure vulnerability in the Linux kernel's NTFS3 filesystem driver. When ni_read_frame() decompresses an LZNT $DATA frame, decompress_lznt() may return fewer bytes than frame_size if the compressed stream is exhausted early. The unwritten tail region retains r...

CVE-2026-89554

CVE-2026-89554 affects the Linux kernel's MPTCP (Multipath TCP) implementation. When reconstructing a MP_JOIN request under SYN cookies, mptcp_token_join_cookie_init_state() fails to restore the local_id field from the saved cookie entry. Because the request-sock slab is SLAB_TYPESAFE_BY_RCU and ...

EUVD-2026-76421

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fill in DMA padding bytes in scsiallocsgtables During fuzz testing, the following issue was discovered: BUG: KMSAN: uninit-value in dmamapsgattrs+0x217/0x310 dmamapsgattrs+0x217/0x310 dmamapsgattrs+0x4a/0x70...

CVE-2026-89515

CVE-2026-89515 is a Linux kernel vulnerability in the SCSI core subsystem, specifically in scsi_alloc_sgtables(). When processing the last unaligned scatterlist element, padding bytes (pad_len) remain uninitialized , causing an uninit-value access in __dma_map_sg_attrs (detected by KMSAN). The tr...

CVE-2026-89515

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fill in DMA padding bytes in scsiallocsgtables During fuzz testing, the following issue was discovered: BUG: KMSAN: uninit-value in dmamapsgattrs+0x217/0x310 dmamapsgattrs+0x217/0x310 dmamapsgattrs+0x4a/0x70...