EUVD-2026-39210

In the Linux kernel, the following vulnerability has been resolved: ipv6: anycast: insert aca into global hash under idev-lock syzbot reported a splat 1: a slab-use-after-free in ipv6chkacastaddr, which walks the global inet6acaddrlst hash under RCU and dereferences a struct ifacaddr6 that has...

CVE-2026-53243

CVE-2026-53243 affects the Linux kernel component related to RSEQ (rseq_exit_user_update). The issue is an uninitialized stack variable used in the initialization of the struct rseq_ids, where ids.node_id is derived from ids.cpu_id before it is initialized, enabling potential information leakage....

CVE-2026-53135

The CVE-2026-53135 issue affects the Linux kernel’s DRM AMD display path, specifically SDP debugfs writes. Root cause: dp_sdp_message_debugfs_write() dereferenced connector->base.state->crtc without NULL checks, potentially crashing when a connected-but-unbound connector exists (e.g., after...

CVE-2026-57589

sys/kern/sysvsem.c in OpenBSD through 7.9 has a use-after-free allowing local privilege escalation to root. This is a context switch use-after-free after tsleep in syssemget...

Linux Distros Unpatched Vulnerability : CVE-2026-52954

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libceph: handle rbtree insertion error in decodechooseargs A message of type CEPHMSGOSDMAP contains an OSD map that itself contains a CRUSH map. The received...

Linux Distros Unpatched Vulnerability : CVE-2026-53041

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: fix listxattr handling when the buffer is full BUG If an OCFS2 inode has both inline and block- based xattrs, listxattr can return a size larger than the...

EUVD-2026-38821

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix oops due to out of scope access Below oops triggers when kill QEMU process: Oops: general protection fault, probably for non-canonical address 0x7fffffff844eaaa7: 0000 1 SMP NOPTI Call Trace: dorawspinlock+0xaa/0x...

CVE-2026-53039

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate group add input before caching BUG OCFS2IOCGROUPADD can trigger a BUGON in ocfs2setnewbufferuptodate: kernel BUG at fs/ocfs2/uptodate.c:509! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI RIP:...

CVE-2026-53018

In the Linux kernel, the following vulnerability has been resolved: f2fs: avoid reading already updated pages during GC We found the following issue during fuzz testing: page: refcount:3 mapcount:0 mapping:00000000b6e89c65 index:0x18b2dc pfn:0x161ba9 memcg:f8ffff800e269c00 aops:f2fsmetaaops ino:2...

CVE-2026-53039

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate group add input before caching BUG OCFS2IOCGROUPADD can trigger a BUGON in ocfs2setnewbufferuptodate: kernel BUG at fs/ocfs2/uptodate.c:509! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI RIP:...

CVE-2026-53078

The CVE-2026-53078 issue is a Linux kernel BPF sock_ops vulnerability. When a BPF sock_ops program accesses ctx fields with the same destination and source registers (dst_reg == src_reg), SOCK_OPS_GET_SK() and SOCK_OPS_GET_FIELD() failed to zero the destination register in the !fullsock/!locked_t...

CVE-2026-53027 fs/ntfs3: fix missing run load for vcn0 in attr_data_get_block_locked()

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix missing run load for vcn0 in attrdatagetblocklocked When a compressed or sparse attribute has its clusters frame-aligned, vcn is rounded down to the frame start using cmask, which can result in vcn != vcn0. In this...

Linux Distros Unpatched Vulnerability : CVE-2026-52938

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Fix NULL pointer dereference in bpfskstorageclone and diag paths bpfselemunlinknofail sets SDATAselem-smap to NULL before removing the selem from the stora...

kernel: RDMA/iwcm: Fix workqueue list corruption by removing work_list

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA Internet Wide Area RDMA Protocol iWARP subsystem. Incorrect work submission logic in the iwcm component can lead to multiple queueing of work items. This allows a work item to be processed and freed while still present in the...

CVE-2026-52910 bpf: Free reuseport cBPF prog after RCU grace period.

In the Linux kernel, the following vulnerability has been resolved: bpf: Free reuseport cBPF prog after RCU grace period. Eulgyu Kim reported the splat below with a repro. 0 The repro sets up a UDP reuseport group with a cBPF prog and replaces it with a new one while another thread is sending a U...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/memhotplug: Added an addpages override for PPC. With the commit ffa0b64e3be5 “powerpc: Fix virtaddrvalid for 64-bit Book3E & 32-bit”, the kernel now validates the addr against the highmemory value. This results in the...

kernel: ipv6: use RCU in ip6_xmit()

A use-after-free flaw was found in ip6autoflowlabel in the Linux kernel's net/ipv6/ip6output.c code. In this flaw an attacker can cause a denial of service DoS attack...

Linux Distros Unpatched Vulnerability : CVE-2026-46325

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGESIZE The current implementation incorrectly handles memory regions MRs with page sizes different fr...

UBUNTU-CVE-2026-46120

In the Linux kernel, the following vulnerability has been resolved: ip6gre: Use cached t-net in ip6erspanchangelink. After commit 5e72ce3e3980 "net: ipv6: Use link netns in newlink of rtnllinkops", ip6erspannewlink correctly resolves the per-netns ip6gre hash via linknet. ip6erspanchangelink was...

CVE-2026-46120

Concrete details found: CVE-2026-46120 affects the Linux kernel ip6_gre machinery. The issue is in ip6erspan_changelink(), which wrongly uses dev_net(dev) instead of the correct per-netns hash resolved by link_net, after a patch series that fixed per-netns resolution in ip6erspan_newlink(). This ...