CVE-2026-80557 libceph: fix OOB read in decode_watchers() via missing bounds check

In the Linux kernel, the following vulnerability has been resolved: libceph: fix OOB read in decodewatchers via missing bounds check cephstartdecoding validates that structlen bytes remain in the buffer after the encoding header, but accepts structlen=0 as valid: cephdecodeneedp, end, 0, bad alwa...

CVE-2026-80557

CVE-2026-80557 is a 4-byte out-of-bounds read in the Linux kernel's libceph client, specifically in decode_watchers(). The function calls ceph_decode_32(p) without a preceding bounds check; when a malicious or compromised OSD sends an obj_list_watch_response_t with struct_len=0, the pointer equal...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098840)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098840 advisory. In the Linux kernel, the following vulnerability has been resolved: apparmor: fix missing bounds check on DEFAULT table in verifydfa The verifydfa function only chec...

Linux Distros Unpatched Vulnerability : CVE-2026-80552

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/vfioccw: Ensure index for read/write regions are within range The introduction of the capability chain rightly clamped the region indexes to the range of t...

PT-2026-82173

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read exists in the libceph component. The ceph start decoding function allows a struct len value of 0, which can lead to a situation where no bytes are guaranteed for...

PT-2026-82177

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the Linux kernel, the decode locker function within cls lock client.c contains three unsafe decode operations. A malicious or compromised OSD Object Storage Device in a multi-tenant...

Linux Distros Unpatched Vulnerability : CVE-2026-80536

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfs: bounds-check buffer log item's dirty bitmap xlogrecoverdoregbuffer replays each dirty region described by a buffer log item's bitmap into the buffer read...

Linux Distros Unpatched Vulnerability : CVE-2026-80557

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libceph: fix OOB read in decodewatchers via missing bounds check cephstartdecoding validates that structlen bytes remain in the buffer after the encoding header...

The vulnerability of the `squashfs_readmetadata()` function in the `fs/squashfs/cache.c` file of the Squashfs file system module in the Linux kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the squashfsreadmetadata function in the fs/squashfs/cache.c file of the Squashfs file system in the Linux kernel is related to an improper check of the specified index, position, or offset in the input data. Exploiting this vulnerability could allow an attacker to compromise...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/jfs: Added a validity check for dbmaxag and dbagpref. Both dbmaxag and dbagpref are used as indexes for the dbagfree array. However, there is currently no validation for these values, which can lead to errors. The following...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is greater than 0x80, it represents a shift value. Ensure that the shift value is not too large before using it the maximum cluster size for...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: SOF: Added bounds checking to firmware data. Smatch complains that “head-fullsize – head-headersize” can cause underflow. To some extent, we will always have to trust the firmware. However, it’s easy to add checks for...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed an array-index-out-of-bounds read in addmissingindices. stbl is an s8 type, but it must contain offsets into slots that can range from 0 to 127. A bound check was added for this error, and the error -EIO is returned if...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: core: Validate channel ID when processing command completions MHI reads the channel ID from the event ring element sent by the device, which can be any value between 0 and 255. To prevent out-of-bounds accesses, a check...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix for filter limit check In watchqueuesetfilter, there are several places where we check that the filter type value does not exceed what the typefilter bitmap can hold. One place calculates the number of bits using...

Astra Linux - Vulnerability in Blender

A missing bounds check in the image loader used in Blender 3.x and 2.93.8 leads to out-of-bounds heap access, allowing an attacker to cause a denial of service, memory corruption, or potentially code execution...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: dvm – Fixed a issue where memcpy was used for writing data that spanned multiple fields. The received TKIP key may be up to 32 bytes, as it may also contain MIC rx/tx keys. These keys are not used by iwlwifi, and...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: added a bounds check on the Transfer Tag. The ttag is used as an index to retrieve the cmd in nvmettcphandleh2cdatapdu. A bounds check was added to prevent out-of-bounds access...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: serial: quatech2: fix null-ptr-deref in qt2processreadurb This patch addresses a null-ptr-deref in qt2processreadurb due to an incorrect bounds check in the following code: c if newport serial-numports deverr&port-dev, “%s -...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerability has been resolved: media: av7110: prevent underflow in writetstodecoder The value of buf4 comes from the user via tsplay. This value is within the u8 range. The final length that we pass to av7110ipackinstantrepack is “len – buf4 + 1 – 4”. Therefor...