UBUNTU-CVE-2026-46035

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: return NULL early from allocfrozenpagesnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, allocfrozenpagesnolock calle...

UBUNTU-CVE-2026-46070

In the Linux kernel, the following vulnerability has been resolved: md/raid5: validate payload size before accessing journal metadata r5crecoveryanalyzemetablock and r5lrecoveryverifydatachecksumformb iterate over payloads in a journal metadata block using on-disk payload size fields without...

UBUNTU-CVE-2026-45906

In the Linux kernel, the following vulnerability has been resolved: power: supply: pf1550: Fix use-after-free in powersupplychanged Using the devm variant for requesting IRQ before the devm variant for allocating/registering the powersupply handle, means that the powersupply handle will be...

UBUNTU-CVE-2026-45947

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix memory leak in amdgpuacpienumeratexcc In amdgpuacpienumeratexcc, if amdgpuacpidevinit returns -ENOMEM, the function returns directly without releasing the allocated xccinfo, resulting in a memory leak. Fix this by...

UBUNTU-CVE-2026-46076

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Raise UD if unhandled VMMCALL isn't intercepted by L1 Explicitly synthesize a UD for VMMCALL if L2 is active, L1 does NOT want to intercept VMMCALL, nestedsvml2tlbflushenabled is true, and the hypercall is something...

UBUNTU-CVE-2026-46024

In the Linux kernel, the following vulnerability has been resolved: libceph: Prevent potential null-ptr-deref in cephhandleauthreply If a message of type CEPHMSGAUTHREPLY contains a zero value for both protocol and result, this is currently not treated as an error. In case of ac-negotiating == tr...

UBUNTU-CVE-2026-45969

In the Linux kernel, the following vulnerability has been resolved: HID: playstation: Add missing check for inputffcreatememless The psgamepadcreate function calls inputffcreatememless without verifying its return value, which can lead to incorrect behavior or potential crashes when FF effects ar...

UBUNTU-CVE-2026-45922

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix memory leak in GETDATADIRECTSYSFSPATH handler The UVERBSHANDLERMLX5IBMETHODGETDATADIRECTSYSFSPATH function allocates memory for the device path using kobjectgetpath. If the length of the device path exceeds the...

UBUNTU-CVE-2026-45944

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down context entry When tearing down a context entry, the current implementation zeros the entire 128-bit entry using multiple 64-bit writes. This creates a window where the hardware c...

UBUNTU-CVE-2026-45871

In the Linux kernel, the following vulnerability has been resolved: tpm: st33zp24: Fix missing cleanup on getburstcount error getburstcount can return -EBUSY on timeout. When this happens, st33zp24send returns directly without releasing the locality acquired earlier. Use goto outerr to ensure...

UBUNTU-CVE-2026-45895

In the Linux kernel, the following vulnerability has been resolved: quota: fix livelock between quotactl and freezesuper When a filesystem is frozen, quotactlblock enters a retry loop waiting for the filesystem to thaw. It acquires sumount, checks the freeze state, drops sumount and uses...

UBUNTU-CVE-2026-45943

In the Linux kernel, the following vulnerability has been resolved: erofs: fix inline data read failure for ztailpacking pclusters Compressed folios for ztailpacking pclusters must be valid before adding these pclusters to I/O chains. Otherwise, zerofsdecompresspcluster may assume they are alread...

UBUNTU-CVE-2026-46083

In the Linux kernel, the following vulnerability has been resolved: spi: fix resource leaks on device setup failure Make sure to call controller cleanup if spisetup fails while registering a device to avoid leaking any resources allocated by setup...

UBUNTU-CVE-2026-45873

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetrbtree: check for partial overlaps in anonymous sets Userspace provides an optimized representation in case intervals are adjacent, where the end element is omitted. The existing partial overlap detection logic...

UBUNTU-CVE-2026-45957

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to softirq Commit 5f5fa7ea89dc "rcu: Don't use negative nesting depth in rcureadunlock" removes the recursion-protection code from rcureadunlock. Therefore, we could invoke the deadloop in...

UBUNTU-CVE-2026-45950

In the Linux kernel, the following vulnerability has been resolved: crypto: starfive - Fix memory leak in starfiveaesaeaddoonereq The starfiveaesaeaddoonereq function allocates rctx-adata with kzalloc but fails to free it if sgcopytobuffer or starfiveaeshwinit fails, which lead to memory leaks...

UBUNTU-CVE-2026-45875

In the Linux kernel, the following vulnerability has been resolved: mfd: arizona: Fix regulator resource leak on wm5102clearwritesequencer failure The wm5102clearwritesequencer helper may return an error and just return, bypassing the cleanup sequence and causing regulators to remain enabled,...

UBUNTU-CVE-2026-45975

In the Linux kernel, the following vulnerability has been resolved: ublk: use READONCE to read struct ublksrvctrlcmd struct ublksrvctrlcmd is part of the iouringsqe, which may lie in userspace-mapped memory. It's racy to access its fields with normal loads, as userspace may write to them...

UBUNTU-CVE-2026-45960

In the Linux kernel, the following vulnerability has been resolved: hfsplus: return error when node already exists in hfsbnodecreate When hfsbnodecreate finds that a node is already hashed which should not happen in normal operation, it currently returns the existing node without incrementing its...

UBUNTU-CVE-2026-46095

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: raise barrier before state machine transition Move the barrier raise operation before calling llbitmapstatemachine in both llbitmapstartwrite and llbitmapstartdiscard. This ensures the barrier is in place before a...