UBUNTU-CVE-2026-89509

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-2026-89770 iomap: don't free integrity payload that doesn't exist

In the Linux kernel, the following vulnerability has been resolved: iomap: don't free integrity payload that doesn't exist fsbiointegrityalloc might not allocate a bio integrity payload if PI verification is disabled on the block device. Check for that case before calling fsbiointegrityfree in...

EUVD-2026-76682

In the Linux kernel, the following vulnerability has been resolved: iomap: don't free integrity payload that doesn't exist fsbiointegrityalloc might not allocate a bio integrity payload if PI verification is disabled on the block device. Check for that case before calling fsbiointegrityfree in...

CVE-2026-89770

In the Linux kernel, the following vulnerability has been resolved: iomap: don't free integrity payload that doesn't exist fsbiointegrityalloc might not allocate a bio integrity payload if PI verification is disabled on the block device. Check for that case before calling fsbiointegrityfree in...

CVE-2026-89770 iomap: don't free integrity payload that doesn't exist

In the Linux kernel, the following vulnerability has been resolved: iomap: don't free integrity payload that doesn't exist fsbiointegrityalloc might not allocate a bio integrity payload if PI verification is disabled on the block device. Check for that case before calling fsbiointegrityfree in...

CVE-2026-89770

CVE-2026-89770 is a NULL pointer dereference in the Linux kernel's iomap subsystem . When PI (Protection Information) verification is disabled on a block device, fs_bio_integrity_alloc may fail to allocate a bio integrity payload. The function iomap_bio_read_folio_range_sync then calls fs_bio_int...

CVE-2026-89734 usb: gadget: uvc: Fix null pointer dereference in uvcg_video_init()

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...

CVE-2026-89734 usb: gadget: uvc: Fix null pointer dereference in uvcg_video_init()

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...

CVE-2026-89734

CVE-2026-89734 is a null pointer dereference in the Linux kernel's USB gadget UVC driver. In the function uvcg_video_init(), if kthread_run_worker() fails, the error-handling path invokes uvcg_err(), which dereferences video->uvc. However, at that point in initialization the pointer has not ye...

EUVD-2026-76646

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...

CVE-2026-89734

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...

CVE-2026-89717 zram: set default primary compressor in zram_destroy_comps()

In the Linux kernel, the following vulnerability has been resolved: zram: set default primary compressor in zramdestroycomps Patch series "zram: fix zram issues reported by sashiko". Sashiko drove by and reported 1 a couple of zram issues: a possible BUGON in zlib code due to missing winbits rang...

CVE-2026-89717

In the Linux kernel, the following vulnerability has been resolved: zram: set default primary compressor in zramdestroycomps Patch series "zram: fix zram issues reported by sashiko". Sashiko drove by and reported 1 a couple of zram issues: a possible BUGON in zlib code due to missing winbits rang...

CVE-2026-89717

This vulnerability affects the Linux kernel's zram module. In zram_destroy_comps(), all compressors are reset to NULL , including the primary compressor , leaving the device in an invalid state. This can lead to a NULL pointer dereference when comp_algorithm_show() calls strcmp() on the NULL prim...

EUVD-2026-76629

In the Linux kernel, the following vulnerability has been resolved: zram: set default primary compressor in zramdestroycomps Patch series "zram: fix zram issues reported by sashiko". Sashiko drove by and reported 1 a couple of zram issues: a possible BUGON in zlib code due to missing winbits rang...

CVE-2026-89717 zram: set default primary compressor in zram_destroy_comps()

In the Linux kernel, the following vulnerability has been resolved: zram: set default primary compressor in zramdestroycomps Patch series "zram: fix zram issues reported by sashiko". Sashiko drove by and reported 1 a couple of zram issues: a possible BUGON in zlib code due to missing winbits rang...

CVE-2026-89711 NFSD: remove flawed WARN_ON_ONCE from nfsd_mode_check

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...

EUVD-2026-76623

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...

CVE-2026-89696 nfsd: block non-SAVEFH ops after FOREIGN PUTFH to prevent NULL deref

In the Linux kernel, the following vulnerability has been resolved: nfsd: block non-SAVEFH ops after FOREIGN PUTFH to prevent NULL deref When CONFIGNFSDV42INTERSSC is enabled, nfsd4putfh can return success with fhdentry and fhexport both NULL if fhverify returns nfserrstale and putfh-noverify is...

CVE-2026-89591

In the Linux kernel, the following vulnerability has been resolved: accel/rocket: initialize job domain before cleanup paths rocketioctlsubmitjob releases rjob through rocketjobput on allocation error paths. rocketjobcleanup unconditionally calls rocketiommudomainputjob-domain, but job-domain is...