CVE-2026-90318: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fat: release buffer head after rebuilding parent fatscanlogstart leaves the matching directory entry's buffer head in sinfo.bh for the caller to release, just like fatscan. fatrebuildparent uses the directory entry to rebuild the...

CVE-2026-89961

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: fix wrong addrpfn tracking in compound vmemmap population vmemmappopulatecompoundpages uses addrpfn to determine the PFN offset within a compound page and to decide whether the current vmemmap slot should be populated...

CVE-2026-89961

CVE-2026-89961 affects the Linux kernel 's powerpc/mm subsystem, specifically the vmemmap_populate_compound_pages() function. The root cause is a mismatch in how addr_pfn is advanced relative to the loop's addr variable in vmemmap address space. Because each PAGE_SIZE step in addr spans PAGE_SIZE...

Linux Distros Unpatched Vulnerability : CVE-2026-89961

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - powerpc/mm: fix wrong addrpfn tracking in compound vmemmap population vmemmappopulatecompoundpages uses addrpfn to determine the PFN offset within a compound pa...

CVE-2026-50024 GitHacker: Path traversal in ref/hash parsing enables existence oracle and hex-fragment exfiltration via a malicious .git server

GitHacker is a tool that restores Git repositories from exposed .git directories. In 1.1.7 and earlier, addheadfiletasks parses an attacker-controlled ref path from .git/HEAD and joins unvalidated path segments onto tempdst/.git/logs/, allowing a malicious server to make GitHacker read an arbitra...

CVE-2026-50024

GitHacker (a tool that restores Git repositories from exposed .git directories) is vulnerable to path traversal in versions 1.1.7 and earlier . The function add_head_file_tasks parses an attacker-controlled ref path from .git/HEAD and joins unvalidated segments onto temp_dst/.git/logs/, while add...

CVE-2026-91994 Semaphore UI through 2.19.12 Missing Authorization on GET and HEAD Requests

Semaphore UI through 2.19.12 exempts GET and HEAD requests from project resource permission checks in GetMustCanMiddleware. Attackers with guest or taskrunner roles can read all project environments including plaintext secrets, credentials, and passwords via GET requests to the environment endpoi...

Exploit for Improper Input Validation in Apache Tomcat

CVE-2026-24733 What is CVE-2026-24733? Apache Tomcat incor...

Astra Linux – Vulnerability in Tomcat9

There is a vulnerability related to improper input validation in Apache Tomcat. Tomcat did not restrict HTTP/0.9 requests to only the GET method. If a security constraint was configured to allow HEAD requests to a URI but deny GET requests, users could bypass this constraint on GET requests by...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fixed a race condition between searching chunks and releasing the journalhead from the bufferhead. A race condition was encountered between ocfs2testbgbitallocatable and jbd2journalputjournalhead, resulting in the followin...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: fixed a possible Use-after-Allocation UAF in ip6finishoutput2. If skbexpandhead returns NULL, the skb is freed, and the associated dst/idev may also be freed. We need to hold the rcureadlock to ensure that the dst and...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a memory leak in ext4fillsuper. The buffer head references must be released before calling killbdev;. Otherwise, the buffer head and the page referenced by bdata will not be freed by killbdev, and subsequently, tha...

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

In the Linux kernel, the following vulnerabilities have been resolved: - Ensured that erspanbasehdr is present in skb-head. The issue is that ip6erspanrcv and erspanrcv no longer ensures that erspanbasehdr is present in the linear part of skb-head before retrieving the @ver field from it. Add the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ftrace: A null pointer dereference occurred in ftraceaddmod. The @ftracemod is allocated using kzalloc. Therefore, both members prev, next of @ftracemode-list are NULL. This makes calling listdel invalid. If kstrdup for...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jbd2: fixed a potential use-after-free issue in jbd2fcwaitbufs. In jbd2fcwaitbufs, using bh after referencing the buffer’s head count may lead to a use-after-free. Therefore, ensure that the buffer is updated before referencing i...

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

In the Linux kernel, the following vulnerability has been resolved: refscale: Uninitialized use of waitqueueheadt was fixed. Running the refscale test occasionally causes the kernel to crash with the following error: 8569.952896 BUG: Unable to handle a page fault for address: ffffffffffffffe8...

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

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: A leak was fixed in devfreqdevrelease. The srcuinitnotifierhead function allocates resources that need to be released using a srcucleanupnotifierhead call. Reported by kmemleak...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: usb: mtu3: Fix for the listhead check warning caused by uninitialization of listhead. This issue is due to the lack of initialization of listhead. BUG: KASAN: Use-after-free in listdelentryvalid+0x34/0xe4. Call trace:...

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

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: dellrbu – Fix for the use of the list parameter in listforeachentry. It is necessary to pass the correct list head to the listforeachentry function when looping through the packet list. Without this patch, reading t...

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

In the Linux kernel, the following vulnerability has been resolved: ACPI: Battery: Fixed a possible crash that occurred when unregistering a battery hook. When a battery hook returns an error during the addition of a new battery, the battery hook is automatically unregistered. However, the batter...