UBUNTU-CVE-2026-46145

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rxhashkeylen Sashiko points out that rxhashkeylen comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow...

UBUNTU-CVE-2026-46183

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: protect path kfree with damonsysfslock damonsysfsquotgoal-path can be read and written by users, via DAMON sysfs 'path' file. It can also be indirectly read, for the parameters on,offline committing to...

UBUNTU-CVE-2026-46182

In the Linux kernel, the following vulnerability has been resolved: pseries/papr-hvpipe: Prevent kernel stack memory leak to userspace The hdr variable is allocated on the stack and only hdr.version and hdr.flags are initialized explicitly. Because the struct paprhvpipehdr contains reserved paddi...

UBUNTU-CVE-2026-46121

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: protect memcgpath kfree with damonsysfslock Patch series "mm/damon/sysfs-schemes: fix use-after-free for memcgpath". Reads of 'memcgpath' and 'path' files in DAMON sysfs interface could race with their...

UBUNTU-CVE-2026-46144

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Fix error unwind in manaibcreateqprss Sashiko points out that manaibcfgvportsteering is leaked, the normal destroy path cleans it up...

UBUNTU-CVE-2026-46156

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix potential ADE in loongsongpufixupdmahang The switch case in loongsongpufixupdmahang may not DC2 or DC3, and readlcrtcreg will access with random address, because the "device" is from "base+PCIDEVICEID", "base" is...

UBUNTU-CVE-2026-46164

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double free in createspaceinfosubgroup error path When kobjectinitandadd fails, the call chain is: createspaceinfosubgroup - btrfssysfsaddspaceinfotype - kobjectinitandadd - failure - kobjectput&subgroup-kobj -...

UBUNTU-CVE-2026-46220

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/sdma4: replace BUGON with WARNON in fence emission sdmav40ringemitfence contains two BUGONaddr & 0x3 assertions that verify fence writeback addresses are dword-aligned. These assertions can be reached from unprivileged...

UBUNTU-CVE-2026-46167

In the Linux kernel, the following vulnerability has been resolved: usb: usblp: fix uninitialized heap leak via LPGETSTATUS ioctl Just like in a previous problem in this driver, usblpctrlmsg will collapse the usbcontrolmsg return value to 0/-errno, discarding the actual number of bytes transferre...

UBUNTU-CVE-2026-46185

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix out-of-bounds read in symlinkdata Since smb2checkmessage returns success without length validation for the symlink error response, in symlinkdata it is possible for iov-iovlen to be smaller than sizeofstruct...

UBUNTU-CVE-2026-46157

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fix data race at accessing runtime.oss.trigger Currently the runtime.oss.trigger field may be accessed concurrently without protection, which may lead to the data race. And, in this case, it may lead to more sever...

UBUNTU-CVE-2026-46105

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Limit NVMe request size to 2 MiB The HBA firmware reports NVMe MDTS values based on the underlying drive capability. However, because the driver allocates a fixed 4K buffer for the PRP list, accommodating at most 5...

UBUNTU-CVE-2026-46136

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix a potential clc buffer length underflow The buflen is used to limit the iterations for retrieving the country power setting and may underflow under certain conditions due to changes in the power table in...

UBUNTU-CVE-2026-46111

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: fix potential UAF in createbigsync Add hciconnvalid check in createbigsync to detect stale connections before proceeding with BIG creation. Handle the resulting -ECANCELED in createbigcomplete and re-validate...

UBUNTU-CVE-2026-46181

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Fix mis-use of RCU in mlx4srqevent Sashiko points out the radixtree itself is RCU safe, but nothing ever frees the mlx4srq struct with RCU, and it isn't even accessed within the RCU critical section. It also will crash...

UBUNTU-CVE-2026-46163

In the Linux kernel, the following vulnerability has been resolved: wifi: b43legacy: enforce bounds check on firmware key index in RX path Same fix as b43: the firmware-controlled key index in b43legacyrx can exceed dev-maxnrkeys. The existing B43legacyWARNON is non-enforcing in production builds...

UBUNTU-CVE-2026-46155

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix out-of-bounds read in smb2compoundop If a server sends a truncated response but a large OutputBufferLength, and terminates the EA list early, checkwsleas returns success without validating that the entire...

UBUNTU-CVE-2026-46224

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix bo leak in xedmabufinitobj on allocation failure When drmgpuvmresvobjectalloc fails, the pre-allocated storage bo is not freed. Add xebofreestorage before returning the error. xedmabufinitobj calls xeboinitlocked, whi...

UBUNTU-CVE-2026-46116

In the Linux kernel, the following vulnerability has been resolved: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete KASAN reproduces a slab-use-after-free in xfrmstatedelete's hlistdelrcu calls under syzkaller load on linux-6.12.y stable reproduced on 6.12.47, also reachable via the...

UBUNTU-CVE-2026-46133

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Reject unknown opcodes before ICRC processing Even after applying commit 7244491dab34 "RDMA/rxe: Validate pad and ICRC before payloadsize in rxercv", a single unauthenticated UDP packet can still trigger panic. That pat...

UBUNTU-CVE-2026-46221

In the Linux kernel, the following vulnerability has been resolved: EDAC/versalnet: Fix device name memory leak The device name allocated via kzalloc in initonemc is assigned to dev-initname but never freed on the normal removal path. deviceregister copies initname and then sets dev-initname to...

UBUNTU-CVE-2026-46131

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: check for nEPT/nNPT in slow flush hypercalls Checking isguestmodevcpu is incorrect, because translatenestedgpa is only valid if an L2 guest is running with nested EPT/NPT enabled. Instead use the same condition as...

UBUNTU-CVE-2026-46241

In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix use-after-free on registration failure Make sure to disable and free the interrupts in case controller registration fails to avoid a potential use-after-free and resource leak. This issue was flagged by Sashiko...

UBUNTU-CVE-2026-46222

In the Linux kernel, the following vulnerability has been resolved: media: rockchip: rkcif: Add missing MUSTCONNECT flag to pads The pads missed checks for connected devices which may a null dereference when the stream is enabled. Unable to handle kernel NULL pointer dereference at virtual addres...

UBUNTU-CVE-2026-46234

In the Linux kernel, the following vulnerability has been resolved: vsock: fix buffer size clamping order In vsockupdatebuffersize, the buffer size was being clamped to the maximum first, and then to the minimum. If a user sets a minimum buffer size larger than the maximum, the minimum check...

UBUNTU-CVE-2026-46211

In the Linux kernel, the following vulnerability has been resolved: drm/msm/gem: fix error handling in msmioctlgeminfogetmetadata msmioctlgeminfogetmetadata always returns 0 regardless of errors. When copytouser fails or the user buffer is too small, the error code stored in ret is ignored becaus...

UBUNTU-CVE-2026-46117

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Remove user triggerable WARNON in manaibcreateqprss Sashiko points out that the user can specify WQs sharing the same CQ as a part of the uAPI and this will trigger the WARNON then go on to corrupt the kernel. Just...

UBUNTU-CVE-2026-46189

In the Linux kernel, the following vulnerability has been resolved: RDMA/vmwpvrdma: Fix double free on pvrdmaallocucontext error path Sashiko points out that pvrdmauarfree is already called within pvrdmadeallocucontext, so calling it before triggers a double free...

UBUNTU-CVE-2026-46217

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

UBUNTU-CVE-2026-46240

In the Linux kernel, the following vulnerability has been resolved: media: iris: Fix use-after-free in irisreleaseinternalbuffers The recent change in commit 1dabf00ee206 "media: iris: gen1: Destroy internal buffers after FW releases" introduced a regression where sessionreleasebuf may free the...

UBUNTU-CVE-2026-46198

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix integer overflow on buffpos Fixing an integer overflow present in batadvivogmsendtoif. The size check is done using the int type in batadvivogmaggrpacket whereas the buffpos variable uses the s16 type. This could...

UBUNTU-CVE-2026-46170

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADDADDR rtx: free sk if last When an ADDADDR is retransmitted, the sk is held in skresettimer, and released at the end. If at that moment, it was the last reference being held, the sk would not be freed. sockput should...

UBUNTU-CVE-2026-46206

In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject new tpmeter sessions during teardown Prevent tpmeter from starting new sender or receiver sessions after meshstate has left BATADVMESHACTIVE...

UBUNTU-CVE-2026-46213

In the Linux kernel, the following vulnerability has been resolved: HID: appletb-kbd: fix UAF in inactivity-timer cleanup path Commit 38224c472a03 "HID: appletb-kbd: fix slab use-after-free bug in appletbkbdprobe" added timerdeletesync&kbd-inactivitytimer to both the probe closehw error path and...

UBUNTU-CVE-2026-46127

In the Linux kernel, the following vulnerability has been resolved: RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdmacopypduresp Sashiko points out that pd-uctx isn't initialized until late in the function so all these error flow references are NULL and will crash. Use the uctx that isn't NU...

UBUNTU-CVE-2026-46239

In the Linux kernel, the following vulnerability has been resolved: media: i2c: ov5647: Fix runtime PM refcount leak in sctrl Three control cases AUTOGAIN, EXPOSUREAUTO, ANALOGUEGAIN directly return without calling pmruntimeput, causing runtime PM reference count leaks. Change these cases from...

UBUNTU-CVE-2026-46193

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah: account for ESN high bits in async callbacks AH allocates its temporary auth/ICV layout differently when ESN is enabled: the async ahash setup appends a 4-byte seqhi slot before the ICV or authdata area, but the async...

UBUNTU-CVE-2026-46140

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: validate WMT event SKB length before struct access btmtkusbhciwmtsync casts the WMT event response SKB data to struct btmtkhciwmtevt 7 bytes and struct btmtkhciwmtevtfuncc 9 bytes without first checking that the...

UBUNTU-CVE-2026-46126

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Fix manadestroywqobj cleanup in manaibcreateqprss Sashiko points out there are two bugs here in the error unwind flow, both related to how the WQ table is unwound. First there is a double i-- on the first failure path...

UBUNTU-CVE-2026-46207

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix empty payload in tap skb for non-linear buffers For non-linear skbs, virtiotransportbuildskb goes through virtiotransportcopynonlinearskb to copy the original payload in the new skb to be delivered to the vsockm...

UBUNTU-CVE-2026-46110

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Prevent NULL deref when RX memory exhausted The CPU receives frames from the MAC through conventional DMA: the CPU allocates buffers for the MAC, then the MAC fills them and returns ownership to the CPU. For each...

UBUNTU-CVE-2026-46149

In the Linux kernel, the following vulnerability has been resolved: scsi: target: configfs: Bound snprintf return in tgptgpmembersshow targettgptgpmembersshow formats LUN paths with snprintf into a 256-byte stack buffer, then will memcpy curlen bytes from that buffer. snprintf returns the length...

UBUNTU-CVE-2026-46125

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: remove station if connection prep fails If connection preparation fails for MLO connections, then the interface is completely reset to non-MLD. In this case, we must not keep the station since it's related to the...

UBUNTU-CVE-2026-46200

In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix controller deregistration Make sure to deregister the controller before disabling and releasing underlying resources like interrupts and gpios during driver unbind...

UBUNTU-CVE-2026-46201

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix dma-buf attachment leak in xegemprimeimport When xedmabufinitobj fails, the attachment from dmabufdynamicattach is not detached. Add dmabufdetach before returning the error. Note: we cannot use goto outerr here becaus...

UBUNTU-CVE-2026-46190

In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: debugfs: fix out-of-bounds read in spinorparamsshow Sashiko noticed an out-of-bounds read 1. In spinorparamsshow, the snorfnames array is passed to spinorprintflags using sizeofsnorfnames. Since snorfnames is an arr...

UBUNTU-CVE-2026-46106

In the Linux kernel, the following vulnerability has been resolved: eventfs: Hold eventfsmutex and SRCU when remount walks events Commit 340f0c7067a9 "eventfs: Update all the eventfsinodes from the events descriptor" had eventfssetattrs recurse through ei-children on remount. The walk only holds...

UBUNTU-CVE-2026-46158

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADDADDR rtx: always decrease sk refcount When an ADDADDR is retransmitted, the sk is held in skresettimer. It should then be released in all cases at the end. Some unlikely checks were returning directly instead of...

UBUNTU-CVE-2026-46115

In the Linux kernel, the following vulnerability has been resolved: block: add pgmap check to biovecphysmergeable biovecphysmergeable is used by the request merge, DMA mapping, and integrity merge paths to decide if two physically contiguous bvec segments can be coalesced into one. It currently h...

UBUNTU-CVE-2026-46107

In the Linux kernel, the following vulnerability has been resolved: dm-thin: fix metadata refcount underflow There's a bug in dm-thin in the function rebalancechildren. If the internal btree node has one entry, the code tries to copy all btree entries from the node's child to the node itself and...