UBUNTU-CVE-2026-90259

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix a wrong length calculation in qgroupfreereserveddata In that function, we round down the start position and round up the ending position. But during the calculation of @len, we use "roundupstart + len,...

UBUNTU-CVE-2026-90230

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix heap out-of-bounds read in nvmetauthnegotiate nvmetexecuteauthsend allocates the DH-HMAC-CHAP message buffer with the host-supplied transfer length tl and hands it to nvmetauthnegotiate without passing tl along...

UBUNTU-CVE-2026-90199

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: reject out-of-range evcn in mienumattr In mienumattr, the start/end VCN validation for non-resident attributes is: if svcn evcn + 1 goto out; When evcn is U64MAX the "evcn + 1" expression wraps to 0 and any svcn passes...

UBUNTU-CVE-2026-90258

In the Linux kernel, the following vulnerability has been resolved: pinctrl: airoha: add missed IRQ resource helpers Without hooking .irqrequestresources, gpiolib cannot set GPIODFLAGUSEDASIRQ. This breaks pin direction locking and can allow userspace or another driver to reconfigure an active IR...

UBUNTU-CVE-2026-90135

In the Linux kernel, the following vulnerability has been resolved: net: add missing reftrackerdirexit to allocnetdevmqs sashiko is reporting that trying to read /sys/kernel/debug/reftracker/ causes use-afer-free crash when either allocpercpu or devaddrinit in allocnetdevmqs failed, for commit...

UBUNTU-CVE-2026-90244

In the Linux kernel, the following vulnerability has been resolved: iommu/dma: Restore locking around msipagelist Unlike a group's default domain, which is always freshly allocated and privately owned iommugroupallocdefaultdomain, VFIO type1's legacy container merges any newly attached group into...

UBUNTU-CVE-2026-90125

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix request buffer leak in smb2newreadreq smb2newreadreq allocates the request buffer with smb2plainreqinit but only publishes it to the caller with buf = req at the very end of the function. Two error returns sit in...

UBUNTU-CVE-2026-93049

In the Linux kernel, the following vulnerability has been resolved: mtd: mtdswap: Avoid freeing registered blktrans device twice In mtdswapaddmtd, debugfs setup failure after successful blktrans registration can free mbddev twice. addmtdblktransdev initializes the blktrans device reference and...

UBUNTU-CVE-2026-93061

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Avoid stack over-read in debug output helpers host1xdebugoutput and host1xdebugcont used vsnprintf, which returns the length the formatted string would have reached with an unbounded buffer. That return value was...

UBUNTU-CVE-2026-90118

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix off-by-one page overflow in ntfsdecompress The per-token range check in ntfsdecompress uses if cb = cbsbend || dpaddr dpsbend break; so dpaddr == dpsbend falls through to the symbol copy dpaddr++ = cb++, writing one byt...

UBUNTU-CVE-2026-90187

In the Linux kernel, the following vulnerability has been resolved: nullblk: free zones array on device power-off nullinitzoneddev allocates dev-zones when a zoned device is powered on, but nulldeldev never frees it on power-off; dev-zones is only freed later in nullfreedev, when the configfs...

UBUNTU-CVE-2026-92510

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix potential use after free in ibdestroysrquser When accessing a SRQ via the netlink path the only synchronization mechanism for the said SRQ is rdmarestrackget. Currently, rdmarestrackdel is invoked at the end of...

UBUNTU-CVE-2026-90354

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix double hif2 init on the non-WED path mt7915pciinithif2 was called unconditionally and again inside the WED-inactive branch. The helper increments the global hifidx, writes the PCIe RECOGID register and tak...

UBUNTU-CVE-2026-92511

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix potential use after free in ibdestroycquser When accessing a CQ via the netlink path the only synchronization mechanism for the said CQ is rdmarestrackget. Currently, rdmarestrackdel is invoked at the end of...

UBUNTU-CVE-2026-90092

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: reject accept queue add unless BTLISTEN New sk should not be added to parent socket accept queue after last l2capsockcleanuplisten has run in l2capsockteardowncb and state set to BTCLOSED, as that can result to...

AZL-102389 CVE-2026-90087 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: do not leak an hciconn when a second LE connect is rejected createleconncomplete decides whether the failed connection is still pending by comparing it against hcilookupleconnect, which returns the first LE connection ...

CVE-2026-90087

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: do not leak an hciconn when a second LE connect is rejected createleconncomplete decides whether the failed connection is still pending by comparing it against hcilookupleconnect, which returns the first LE connection ...

CVE-2026-90088

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Validate MTU in rfcommapplypn to prevent infinite loop rfcommapplypn accepts the MTU value from a remote PN Parameter Negotiation frame without checking for zero. When the remote peer sends an MTU of zero, d-mt...

DEBIAN-CVE-2026-90088

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Validate MTU in rfcommapplypn to prevent infinite loop rfcommapplypn accepts the MTU value from a remote PN Parameter Negotiation frame without checking for zero. When the remote peer sends an MTU of zero, d-mt...

AZL-102227 CVE-2026-90088 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Validate MTU in rfcommapplypn to prevent infinite loop rfcommapplypn accepts the MTU value from a remote PN Parameter Negotiation frame without checking for zero. When the remote peer sends an MTU of zero, d-mt...