Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: pagealloc: moving the mlocked flag to freepagesprepare Syzbot reported a problem with bad page state caused by a page being freed using freepage, while the mlocked flag is still present during the freepagesprepare stage: BUG:...

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: media: cxusb: No longer judges rbuf when the write fails syzbot reported a uninit-value in cxusbi2cxfer. Only when the write operation of usbbulkmsg in dvbusbgenericrw succeeds and rlen is greater than 0, the read operation of...

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

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Remove the unreasonable unlock in ocfs2readblocks. Patch series “Misc fixes for ocfs2readblocks”, version 5. This series contains two fixes for ocfs2readblocks. The first patch addresses the issue reported by syzbot, which...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afunix: fixed the issue of struct pid leaks in OOB support. The issue arises from queueoob calling maybeaddcreds, which potentially holds a reference to a pid. However, the destructor of skb is not set either directly or by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: rose: include node references in roseneigh refcount The current implementation maintains two separate reference counting mechanisms: the count field in the struct roseneigh structure tracks references from rosenode structure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: can: isotp: isotpsendmsg: added a result check for waiteventinterruptible. The waiteventinterruptible function is used to wait for complete transmission, but the result of this function, which may be interrupted, is not checked...

Linux Distros Unpatched Vulnerability : CVE-2026-72450

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: validate selector family and prefixlen during match syzbot reported a shift-out-of-bounds in xfrmselectormatch due to AFUNSPEC selector with large prefixl...

CVE-2026-68167

CVE-2026-68167 affects the Linux kernel’s Btrfs filesystem, where data relocation inodes could trigger attempting compression of inline extents. The root cause is that the relocation path preallocates blocks and may dirty them in a way that led to an inlined (compressed) first extent, which the g...

EUVD-2026-55553

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not try compression for data reloc inodes BUG There is a syzbot report that the check inside getnewlocation triggered: BTRFS info device loop0: found 31 extents, stage: move data extents BTRFS info device loop0: leaf...

Siemens SIMATIC S7-1500 CPU 1518 MFP Improper Input Validation (CVE-2025-39827)

In the Linux kernel, the following vulnerability has been resolved: net: rose: include node references in roseneigh refcount Current implementation maintains two separate reference counting mechanisms: the 'count' field in struct roseneigh tracks references from rosenode structures, while the 'us...

CVE-2026-53353

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

CVE-2026-53353

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

UBUNTU-CVE-2026-53353

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

EUVD-2026-40987

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

CVE-2026-53292

In the Linux kernel, the following vulnerability has been resolved: net: phonet: do not BUGON in pnsocketautobind on failed bind syzbot reported a kernel BUG triggered from pnsocketsendmsg via pnsocketautobind: kernel BUG at net/phonet/socket.c:213! RIP: 0010:pnsocketautobind...

CVE-2026-52966

In the Linux kernel, the following vulnerability has been resolved: drm: Replace old pointer to new idr Commit 5e28b7b94408 introduced a logical error by failing to replace the newly generated IDR pointer to old id's pointer at the correct location within the "change handle" logic; this resulted ...

Siemens RUGGEDCOM RST2428P Improper Input Validation (CVE-2025-40278)

In the Linux kernel, the following vulnerability has been resolved: net: sched: actife: initialize struct tcife to fix KMSAN kernel- infoleak Fix a KMSAN kernel-infoleak detected by the syzbot . net? KMSAN: kernel-infoleak in skbdatagramiter In tcfifedump, the variable 'opt' was partially...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: Do not queue data on closed subflows. Dipanjan reported a critical bug fix at the last minute: WARNING: CPU: 1 PID: 10818 at net/ipv4/afinet.c:153 inetsockdestruct+0x6d0/0x8e0 net/ipv4/afinet.c:153 Linked modules:...

kernel: netfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: account for Ethernet header in nfflowpppoeproto syzbot found a potential access to uninit-value in nfflowpppoeproto Blamed commit forgot the Ethernet header. BUG: KMSAN: uninit-value in...

CVE-2026-43474

In the Linux kernel, the following vulnerability has been resolved: fs: init flagsvalid before calling vfsfileattrget syzbot reported a uninit-value bug in 1. Similar to the "get" context where the kernel's internal filekattr structure is initialized before calling vfsfileattrget, we should use t...