UBUNTU-CVE-2026-64117

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: capture fast-RX rate before mesh reuses skb-cb ieee80211invokefastrx reads RX status through IEEE80211SKBRXCBskb, which aliases the same skb-cb storage that ieee80211rxmeshdata reuses as IEEE80211TXINFO. In the...

UBUNTU-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...

UBUNTU-CVE-2026-63946

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix UAF in isorecvframe isorecvframe reads conn-sk under isoconnlock but releases the lock before using sk, with no reference held. A concurrent isosockkill can free sk in that window, causing use-after-free on...

UBUNTU-CVE-2026-64111

In the Linux kernel, the following vulnerability has been resolved: lsm: hold credguardmutex for lsmsetselfattr Just as procpidattrwrite already does before calling the LSM hook. This only matters for SELinux and AppArmor which check whether the process is being ptraced and if so, whether to allo...

UBUNTU-CVE-2026-63905

In the Linux kernel, the following vulnerability has been resolved: usbip: vudc: Fix use after free bug in vudcremove due to race condition This patch follows up Zheng Wang's 2023 report of a use-after-free in vudcremove. The original thread stalled on Shuah Khan's request for runtime testing of...

UBUNTU-CVE-2026-64114

In the Linux kernel, the following vulnerability has been resolved: ipv4: raw: reject IPHDRINCL packets with ihl ihl 4; err = -EINVAL; if iphlen length goto errorfree; if iphlen = sizeofiph / fix up saddr, totlen, id, csum, transportheader / It does not, however, reject ihl = sizeofiph" branch is...

UBUNTU-CVE-2026-64109

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix UAF read of tail-len in unixstreamdatawait unixstreamdatawait does skbpeektail&sk-skreceivequeue without holding any lock that prevents SKBs on that queue from being dequeued and freed. This has been the case since...

UBUNTU-CVE-2026-63982

In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix ethx:ingress - ethy:egress - ethx:ingress mirred loop When mirred redirects to ingress from either ingress or egress the loop state from schedmirreddev array dev is lost because of 1 the packet deferral into the...

UBUNTU-CVE-2026-64118

In the Linux kernel, the following vulnerability has been resolved: qed: fix double free in qedcxttablesalloc If one of the later PF or VF CID bitmap allocations fails, qedcidmapalloc jumps to cidmapfail and frees the previously allocated CID bitmaps before returning an error. qedcxttablesalloc...

UBUNTU-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-2026-64006

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix dst corruption in same register operation For lshift and rshift, the shift operations are performed in a loop over 32-bit words. The loop calculates the shifted value and write it to dst, and then...

UBUNTU-CVE-2026-63879

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix amdgpuhmmrangegetpages The notifier sequence must only be read once or otherwise we could work with invalid pages. While at it also fix the coding style, e.g. drop the pre-initialized return value and use the comm...

UBUNTU-CVE-2026-63934

In the Linux kernel, the following vulnerability has been resolved: iio: gyro: itg3200: fix i2c read into the wrong stack location itg3200readallchannels takes be16 buf' as a parameter and fills the i2cmsg destination as char &buf'. Since buf' is the parameter a pointer, &buf' is the address of t...

UBUNTU-CVE-2026-64159

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix zeropoint update where isize remoteisize Fix the update of the zero point by netfsreleasefolio when there is uncommitted data in the pagecache beyond the folio being released but the on-server EOF is in this folio ie...

UBUNTU-CVE-2026-53373

In the Linux kernel, the following vulnerability has been resolved: mm/vma: do not try to unmap a VMA if mmapprepare invoked from mmap The mmapprepare hook functionality includes the ability to invoke mmapprepare from the mmap hook of existing 'stacked' drivers, that is ones which are capable of...

UBUNTU-CVE-2026-64126

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: validate Add Extended Advertising Data length MGMTOPADDEXTADVDATA is registered as a variable-length command, with MGMTADDEXTADVDATASIZE as the fixed header size. The handler then uses cp-advdatalen and...

UBUNTU-CVE-2026-63966

In the Linux kernel, the following vulnerability has been resolved: iio: imu: adis16550: fix stack leak in trigger handler adis16550triggerhandler declares the scan data array on the stack without initializing it. The memcpy at the bottom fills only the first 28 bytes TEMP + 6 channels of...

UBUNTU-CVE-2026-64095

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: avoid double decrement of bla.numrequests The bla.numrequests is increased when no requestsent was in progress. And it is decremented in various places announcement was received, backbone is purged, periodic work...

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-2026-63890

In the Linux kernel, the following vulnerability has been resolved: scsi: fcoe: Reject FIP descriptors with zero fipdlen in CVL walker drivers/scsi/fcoe/fcoectlr.c::fcoectlrrecvclrvlink advanced the descriptor cursor by an attacker-supplied fipdlen without ever requiring dlen = sizeofstruct fipde...