CVE-2026-89840

CVE-2026-89840 is a vulnerability in the Linux kernel's f2fs filesystem affecting the F2FS_IOC_MOVE_RANGE ioctl. The ioctl validates the source range but fails to check the destination end before updating i_size. When a source hole is present, __clone_blkaddrs() skips NULL_ADDR entries and return...

CVE-2026-89840: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: f2fs: validate MOVERANGE destination size F2FSIOCMOVERANGE checks the source range, but not the destination end before updating isize. A source hole can expose this: cloneblkaddrs skips NULLADDR entries and returns success, so th...

Linux Distros Unpatched Vulnerability : CVE-2026-89840

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - f2fs: validate MOVERANGE destination size F2FSIOCMOVERANGE checks the source range, but not the destination end before updating isize. A source hole can expose...

CVE-2026-18422 Concrete CMS below 9.5.3 Multilingual Page Assign Action Lacks Destination Authorization and CSRF Token Validation

Concrete CMS before 9.5.3 did not enforce a destination-side authorization check and did not validate a CSRF token in the multilingual page assignment backend action Backend\Page\Multilingual::assign. As a result, an authenticated user who held the Edit Page Multilingual Settings permission on a...

EUVD-2026-78677

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.28.0, makeRemoteRequest in src/serverroutes.ts accepted attacker-controlled host, port, useTLS, and selfsignedcert parameters from the testSignalKConnection, requestAccess, and checkAccessRequest endpoints...

EUVD-2026-77630

safeurl is a server-side request forgery protection library. Prior to 0.2.4, the privateNetworks list in ip.go omits the IPv6 ranges 64:ff9b:1::/48, 5f00::/16, 3fff::/20, and 100:0:0:1::/64. When an application enables IPv6 with EnableIPv6true, an attacker-controlled destination in one of these...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Networking layer: Fixed a memory leak that occurred when uncloning an skb dst and its associated metadata. When uncloning an skb dst and its associated metadata, a new dst+metadata is allocated and later replaces the old one in t...

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

In the Linux kernel, the following vulnerability has been resolved: tipc: Force a dst refcount before doing decryption As stated in commit 3bc07321ccc2 “xfrm: Force a dst refcount before entering the xfrm type handlers”: “Crypto requests might return asynchronously. In this case, we leave the rcu...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: cgroup: Use separate source/destination nodes when preloading csssets for migration. Each cssset is associated with its corresponding tasks. When moving tasks between csssets during a migration, we need to keep the source and...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: bridge: Fixed the issue of null pointer dereference in the vlan tunnel’s destination pointer. This patch addresses the issue where the tunneldst pointer was dereferenced without proper safeguards, due to lockless access in t...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the sanity check on the destination blkaddr during recovery. As Wenqing Liu reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 loop5: detected a change in capacity from 0 to 131072. F2FS-fs...

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

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed the metadatadst leak in bpfredirectneigh for arguments bpfredirectneighv4,6 Cilium includes a BPF egress gateway feature that forces outgoing Kubernetes Pods’ traffic to pass through dedicated egress gateways. This...

Astra Linux – Vulnerability in edk2

EDK2’s Network Package is vulnerable to an infinite loop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of availability...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed the masking negation logic when dealing with a negative dst register. The negation logic for the case where the offreg is stored in the dst register is incorrect; therefore, we cannot simply invert the addition operati...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: inet: Sk-skrxdst was converted to RCU rules. The syzbot reported various issues related to early demux processing. One of these issues is included in this changelog 1. Sk-skrxdst uses RCU protection without proper documentatio...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ICMP messages are rate-limited. After the committed issues, the two rate limiters are applied in this order: 1 Host-wide rate limit icmpglobalallow 2 Per-destination rate limit based on inetpeer To avoid side-channel attacks, we...

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: net/ipv6: release expired exception dst cached in socket The Dst objects are leaked in ip6negativeadvice, when this function is executed for an expired IPv6 route located in the exception table. There are several conditions that...

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

In the Linux kernel, the following vulnerabilities have been resolved: - In the net subsystem, do not delay the execution of dstentriesadd within dstrelease. - dstentriesadd uses data per-core that might be freed during the dismantling of ip6routenetexit, by calling dstentriesdestroy. Before...

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

In the Linux kernel, the following vulnerability has been resolved: xfrm6: Check the return value of ip6dstidev in xfrm6getsaddr. ip6dstidev can return NULL, and xfrm6getsaddr must act accordingly. syzbot reported: Oops: General protection fault, likely due to a non-canonical address...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xfrm: Policy: Fix metadata dst-dev xmit null pointer dereference When we try to transmit an skb with metadatadst attached i.e., dst-dev == NULL through the xfrm interface, we may encounter a null pointer dereference in xfrmixmit2...