UBUNTU-CVE-2026-80691

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iblock: Fix wrong PR ops NULL check for PREEMPT/RELEASE In the iblockexecuteprout function, PROPREEMPT, PROPREEMPTANDABORT, and PRORELEASE all perform callback capability checks through ops-prclear. The error check...

UBUNTU-CVE-2026-80723

In the Linux kernel, the following vulnerability has been resolved: of: reservedmem: prevent OOB when too many dynamic regions are defined On boot, fdtscanreservedmem saves each dynamically-placed /reserved-memory subnode into a local array of size MAXRESERVEDREGIONS. If the device tree defines...

UBUNTU-CVE-2026-80621

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: Avoid dwcpcierasdesdebugfsdeinit NULL dereference when no RAS DES capability dwcpcierasdesdebugfsinit returns success when the controller has no RAS DES capability, leaving pci-debugfs-rasdesinfo unset. The common debug...

UBUNTU-CVE-2026-80604

In the Linux kernel, the following vulnerability has been resolved: HID: core: Fix OOB read in hidgetreport for numbered reports When a caller passes a size of 0 to hidreportrawevent for a numbered report, the function originally called hidgetreport before performing any size validation. Inside...

UBUNTU-CVE-2026-80653

In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: Add slavedestroy interface for v3 hw WARNING is triggered when executing link reset of remote PHY and rmmod SAS driver simultaneously. Following is the WARNING log: WARNING: CPU: 61 PID: 21818 at...

UBUNTU-CVE-2026-80690

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Initialize hba-rpmbs list in ufshcd Initialize the hba-rpmbs list in ufshcdallochost to prevent NULL pointer dereference in the device teardown path if ufsrpmbprobe fails...

UBUNTU-CVE-2026-80599

In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: ensure accessible ethhdr proto field When batadvgetvid accesses the proto field of the ethernet header, it is not checking if the data itself is accessible. The caller is responsible for it. But in contrast to...

UBUNTU-CVE-2026-80596

In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - only expose sysfs attributes on control interface When the driver was converted to use the driver core to instantiate device attributes via .devgroups in the usbdriver structure, the attributes started appearing ...

UBUNTU-CVE-2026-80684

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix NULL dereference on AIBV allocation failure The airqivcreate can return NULL on failure, but the return value was never checked. If it fails, zdev-aibv will be NULL and fail when dereferenced in kvmzpcisetairq...

UBUNTU-CVE-2026-80678

In the Linux kernel, the following vulnerability has been resolved: i2c: imx: Fix slave registration race and error handling In i2cimxregslave, the slave pointer was assigned before pmruntimeresumeandget. If pmruntimeresumeandget failed, the error path returned without clearing i2cimx-slave,...

UBUNTU-CVE-2026-80662

In the Linux kernel, the following vulnerability has been resolved: cxl: Fix CXLHEADERLOGSIZE to match RAS Capability size The CXL r4.0 8.2.4.17.7 RAS Capability Structure has total length 0x58 bytes CXLRASCAPABILITYLENGTH; the Header Log occupies the trailing 64 bytes at offset 0x18...

UBUNTU-CVE-2026-80708

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix missing mem scrub at clear key import in ccaclr2cipherkey The helper function ipcprbhelper uses internal buffer memory for building and processing CPRBs. After use this buffer was never scrubbed which could lead ...

UBUNTU-CVE-2026-80601

In the Linux kernel, the following vulnerability has been resolved: batman-adv: gw: acquire ethernet header only after skb realloc The pskbmaypull called by batadvgetvid could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an...

UBUNTU-CVE-2026-80699

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Avoid double-deactivate of IRQs in the nested context In the nested state, the physical interrupt has already been deactivated through the HW bit in the LR. The extra deactivation would be harmless but can hit a...

UBUNTU-CVE-2026-80646

In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in in6devstatsget devgetbyindexrcu could return NULL if the original physical device is unregistered. Found by Sashiko...

UBUNTU-CVE-2026-80711

In the Linux kernel, the following vulnerability has been resolved: power: supply: max17040: handle missing status supplier MAX17040 does not report charger state itself, so the driver forwards POWERSUPPLYPROPSTATUS to a supplier power supply. If no supplier is registered,...

UBUNTU-CVE-2026-80716

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: wake linked drain waiters on unlink sndpcmdrain on a linked stream parks an on-stack wait entry on the drained peer's runtime-sleep, and after scheduletimeout removes it only if that peer is still found in the caller's...

UBUNTU-CVE-2026-80712

In the Linux kernel, the following vulnerability has been resolved: spi: spi-qpic-snand: write the feature value before executing SETFEATURE qcomspisendcmdaddr programs NANDFLASHCMD/NANDEXECCMD and submits the descriptors, which makes the controller execute the command immediately. For...

UBUNTU-CVE-2026-80602

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/lbr: Fix kernel address leakage A user-only branch stack can contain branches that originate from the kernel. As a result, kernel addresses are exposed to user space even when PERFSAMPLEBRANCHUSER is requested. On AM...

UBUNTU-CVE-2026-80714

In the Linux kernel, the following vulnerability has been resolved: ipvs: do not propagate one-packet flag to synced conns Synced connections can be created before their destination exists. When the destination is later added, ipvsbinddest copies connection flags from the destination into cp-flag...

UBUNTU-CVE-2026-80652

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Treat zero-length cert chain as query for blob lengths When handling a PDH export, treat a zero-length userspace cert chain buffer as a request to query the length of the relevant blobs. Failure to account for the...

UBUNTU-CVE-2026-38822

In openNDS before 11.0.0, the clientparams.sh script, invoked by the openNDS daemon to serve the authenticated client status page, is vulnerable to OS command injection through crafted HTTP GET query parameter keys. An authenticated captive portal user can inject arbitrary shell commands by...

UBUNTU-CVE-2026-38820

openNDS before 11.0.0 is susceptible to unauthenticated OS command execution via shell command injection through the fas query parameter on the /openndspreauth/ endpoint because of libopennds.sh...

UBUNTU-CVE-2026-38821

A heap-based buffer overflow vulnerability exists in openNDS before 11.0.0 that allows an unauthenticated attacker on the captive portal network to crash the openNDS daemon denial of service and potentially achieve remote code execution. This is in httpmicrohttpd.c...

UBUNTU-CVE-2026-38819

Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes...

UBUNTU-CVE-2026-76060

An authenticated OS command injection vulnerability exists in ZoneMinder's event export functionality. The exportFile HTTP request parameter is passed unsanitized into a shell command executed via PHP's exec, allowing any authenticated user with View Events permission to execute arbitrary operati...

UBUNTU-CVE-2026-80179

A flaw was found in jwcrypto. A remote attacker can send a specially crafted JSON Web Encryption JWE token containing numerous period delimiters. This malformed token can force the JWE.deserialize function to allocate excessive memory, leading to a MemoryError. This issue results in a denial of...

UBUNTU-CVE-2026-54330

Ceph is an open-source distributed storage platform providing object, block, and file storage. In versions prior to 20.2.4 and 19.2.6, the Ceph Object Gateway RGW SigV4 handler does not reject requests that carry x-amz- headers absent from the signed header set, allowing anyone holding a presigne...

UBUNTU-CVE-2026-77358

cpp-httplib is a C++ header-only HTTP/HTTPS library. In versions 0.33.0 through 0.50.0, the TLS-enabled WebSocket client frees the TLS session before closing the WebSocket that still uses it, producing a use-after-free. In WebSocketClient::shutdownandclose the SSL object is freed and the pointer...

UBUNTU-CVE-2026-77341

cpp-httplib is a C++ header-only HTTP/HTTPS library. In version 0.49.0, the chunked-response trailer output path writes trailer header names and values directly to the socket without validating them, allowing CRLF sequences in a trailer field to inject additional headers or split the HTTP respons...

UBUNTU-CVE-2026-50152

Ceph is an open-source distributed storage platform providing object, block, and file storage. In versions prior to 20.2.4 and 19.2.6, the Monitor subscription handler fails to properly authorize access to the configuration-key store, allowing any CephX user with only mon allow r capabilities to...

UBUNTU-CVE-2026-38348

An integer overflow in the libswscale/utils.c component of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service DoS via supplying a crafted image file...

UBUNTU-CVE-2026-38347

A heap overflow in the ffswsalphablendaway function libswscale/alphablend.c of FFmpeg git-master commit 722a217 allows attackers to cause a Denial of Service DoS via a crafted input...

UBUNTU-CVE-2026-38343

An integer overflow in the libavfilter/vfscale.c component of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service DoS via supplying a crafted video file...

UBUNTU-CVE-2026-38349

An integer overflow in the hScale16To19c function libswscale/output.c of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service DoS via supplying a crafted image file...

UBUNTU-CVE-2026-38344

A NULL pointer dereference in the getminbuffersize function /libswscale/slice.c of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service DoS via supplying a crafted video file...

UBUNTU-CVE-2026-38346

An integer overflow in the yuv2planeX8c function libswscale/output.c of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service DoS via supplying a crafted video file...

UBUNTU-CVE-2026-39944

Ceph is an open-source distributed storage platform providing object, block, and file storage. In versions prior to 20.2.4 and 19.2.6, the RADOS Gateway RGW protects STS session tokens with an AES-128-CBC handler that provides no message authentication, allowing an attacker who holds any valid ST...

UBUNTU-CVE-2026-38345

A Division-by-Zero vulnerability in the ffswsinitsinglecontext function /libswscale/utils.c of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service DoS via a crafted input...

UBUNTU-CVE-2026-38350

An integer overflow in the targetswsfuzzer function libswscale/output.c of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service DoS via supplying a crafted input...

UBUNTU-CVE-2025-30156

Ceph is an open-source distributed storage platform providing object, block, and file storage. In versions prior to 20.2.4 and 19.2.6, the CephX authentication protocol encrypts tickets with AES-128-CBC in an unauthenticated mode that uses a hard-coded initialization vector and no message...

UBUNTU-CVE-2026-40205

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

UBUNTU-CVE-2026-40017

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...

UBUNTU-CVE-2026-40015

An attacker that has valid credentials can open many connections to the imap-hibernate service and send invalid commands, which can intermittently cause an out-of-bounds read and crash the process. The crash interrupts hibernated IMAP sessions handled by the affected process, which can cause...

UBUNTU-CVE-2026-52681

Sieve CPU resource usage is tracked in the compiled script, so an attacker that has valid credentials can reset the accounting by repeatedly changing the active script. Compiled script files are also not removed when a script is deleted or renamed. The configured Sieve CPU limit can be bypassed,...

UBUNTU-CVE-2026-40013

An attacker that has valid credentials can submit a Sieve script containing an extreme numeric literal, which causes an out-of-bounds write when the ManageSieve service compiles the script. This causes memory corruption and an observed crash of the ManageSieve process, resulting in denial of...

UBUNTU-CVE-2026-42392

An attacker that has valid credentials can send an invalid IMAP URLFETCH command, which causes uninitialized memory to be included in the error response returned to the client. Process memory contents can be disclosed to the client, which may include sensitive data. Disable the IMAP URLAUTH...

UBUNTU-CVE-2026-40203

When IMAP compression is enabled, the same compression state is reused across responses in a session, so response sizes depend on both attacker-supplied mail and other mail in the same mailbox. An attacker that can send mail to a user and can also observe the sizes of that user's IMAP traffic can...

UBUNTU-CVE-2026-33263

When mailmaxuseripconnections is set default 10 and reached, submission-login can crash with epoll panic caused by file descriptor handling issues. If running in high-security mode default for community releases, only the new submission connection gets terminated. If running in high-performance...

UBUNTU-CVE-2026-42391

An unauthenticated attacker can send an IMAP ID command with a very large number of parameters before logging in, which causes memory and CPU usage to grow disproportionately. The login process can be terminated by the out-of-memory handling, which also terminates all other connections handled by...