CVE-2026-63897

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mctu232: fix missing interrupt-in transfer sanity check Add the missing sanity check on the size of interrupt-in transfers to avoid parsing stale or uninitialised slab data and leaking it to user space...

CVE-2026-64125

In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: keep RBUF EEE/PM disabled Setting RBUFEEEEN | RBUFPMEN in RBUFENERGYCTRL breaks the RX path on GENET hardware once MAC EEE becomes active. RX traffic stops flowing while the link stays up and the usual descriptor/R...

CVE-2026-53375

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vce: Prevent partial address patches In the case that only one of lo/hi is valid, the patching could result in a bad address written to in FW...

CVE-2026-64076

In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: ebtables: close module init race sashiko reports for unrelated patch: Does the core ebtables initialization in ebtables.c suffer from a similar race? Once nfregistersockopt completes, the sockopts are exposed...

CVE-2026-64123

In the Linux kernel, the following vulnerability has been resolved: net: hsr: defer node table free until after RCU readers HSR node-list and node-status generic-netlink operations run under rcureadlock. They walk hsr-nodedb through hsrgetnextnode and hsrgetnodedata, but RTMDELLINK teardown remov...

CVE-2026-64082

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix register corruption from uninitialized cregs on error compatriscvgprset calls cregstoregs unconditionally, even when userregsetcopyin fails. Since cregs is an uninitialized stack variable, a copyin failure causes...

CVE-2026-64142

In the Linux kernel, the following vulnerability has been resolved: ksmbd: close durable scavenger races against mfplist lookups ksmbddurablescavenger has two related races against any walker that iterates fci-mfplist, including ksmbdlookupfdinode used by ksmbdvfsrename and the share-mode checks ...

CVE-2026-63837

In the Linux kernel, the following vulnerability has been resolved: net: ena: PHC: Check return code before setting timestamp output enaphcgettimex64 is setting the output parameter regardless of whether enacomphcgettimestamp succeeded or failed. When enacomphcgettimestamp returns an error, the...

CVE-2026-64012

In the Linux kernel, the following vulnerability has been resolved: net/sched: schsfb: Replace direct dequeue call with peek and qdiscdequeuepeeked When sfb has children eg qfq qdisc whose peek callback is qdiscpeekdequeued, we could get a kernel panic. When the parent of such qdiscs eg illustrat...

CVE-2026-64079

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: allocate hook ops while under mutex arp/ip6tregistertable add the table to the per-netns list via xtregistertable before allocating the per-netns hook ops copy via kmemduparray. This leaves a window where the...

CVE-2026-64041

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: fs210x: fix possible buffer overflow In fs210xeffectsceneinfo, a string was copied like this: strscpyDST, SRC, strlenSRC + 1; A buffer overflow would happen if strlenSRC = sizeofDST. Actually, strscpy must be used...

UBUNTU-CVE-2026-64047

In the Linux kernel, the following vulnerability has been resolved: net: tls: fix off-by-one in sgchain entry count for wrapped skmsg ring When an skmsg scatterlist ring wraps sg.end sg.datamsgpl-sg.start, MAXSKBFRAGS - msgpl-sg.start + 1, msgpl-sg.data; This places the chain pointer at...

CVE-2026-64004

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix locking in .getsockopt Mirror iucvsocksetsockopt and wrap the whole switch in locksock/releasesock. The pre-existing SOMSGLIMIT-only lock becomes redundant and is removed. Any AFIUCV HIPER user can potentially crash...

UBUNTU-CVE-2026-63938

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Check PSC request indices against the actual size of the buffer When processing Page State Change PSC requests, validate the PSC buffer against the effective size of the scratch area, which could be less than the maximu...

UBUNTU-CVE-2026-63927

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: Fix use after free in debug code We're not allowed to dereference "urb" after calling usbhcdgivebackurb so save the urb-status ahead of time...

UBUNTU-CVE-2026-64112

In the Linux kernel, the following vulnerability has been resolved: rbd: eliminate a race in lockdwork draining on unmap Given how rbdlockaddrequest and rbdimgexclusivelock are written, lockdwork may be requeued more than it's actually needed: for example in case a new I/O request comes in while ...

UBUNTU-CVE-2026-63951

In the Linux kernel, the following vulnerability has been resolved: zram: fix use-after-free in zramwritebackendio A crash was observed in zramwritebackendio due to a NULL pointer dereference in wakeup. The root cause is a race condition between the bio completion handler zramwritebackendio and t...

CVE-2026-53374

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: zero-initialize GART table on allocation GART TLB is flushed after unmapping but not after mapping. Since amdgpubocreatekernel does not zero-initialize the buffer, when a single PTE is written the TLB may speculativel...

CVE-2026-63967

In the Linux kernel, the following vulnerability has been resolved: iio: imu: stlsm6dsx: fix stack leak in tagged FIFO buffer The tagged FIFO path declares iiobuff on the stack with aligned8 but no initializer, but there is a hole in the structure, which will then leak to userspace as...

CVE-2026-64102

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Reject MPA FPDU length underflow before signed receive math A malicious connected siw peer can send an iWARP FPDU whose MPA length field chdr-mpalen, 16 bit big-endian, peer-controlled is smaller than the fixed DDP/RDMA...