CVE-2026-64531

🔥 CVE-2026-64531 — OVSwrap Linux Kernel Open vSwitch Memory Corruption 🩸 Vulnerability Overview CVE-2026-64531 is a security vulnerability affecting the Linux Kernel Open vSwitch OVS networking subsystem. The flaw exists in the handling of Netlink nested attributes , where oversized action...

Astra Linux – vulnerability in linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: net: wwan: fix global oob in wwanrtnlpolicy The variable wwanrtnllinkops assigns a larger maxtype, resulting in a global out-of-bounds read during parsing of netlink attributes. This is exactly the same bug that was fixed in comm...

Astra Linux – vulnerability in linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix global oob in ksmbdnlpolicy Similar to a reported issue see commit b33fb5b801c6 “net: qualcomm: rmnet: fix global oob in rmnetpolicy”, my local fuzzer also identifies another global out-of-bounds read related to the...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Correctly check for the presence of LSNLATYPEDGID The netlink response for RDMANLLSOPIPRESOLVE must always contain an LSNLATYPEDGID attribute; if it is missing, it is considered invalid. Properly utilize the nl parsing...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix out-of-bounds read when setting HMAC data. The SRv6 layer allows defining HMAC data that can later be used to sign IPv6 Segment Routing Headers. This configuration is implemented via netlink through four attributes:...

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: openvswitch: The issue of unsafe attribute parsing in outputuserspace has been fixed. This patch replaces the manual Netlink attribute iteration in outputuserspace with nlaforeachnested, which ensures that only well-formed...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netlink: prevents potential Spectre v1 exploits Most netlink attributes are parsed and validated via nlavalidateparse or validatenla. c u16 type = nlatypenla; if type == 0 || type maxtype / Error or continue / The @type value is...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs Open vSwitch stores generated flow actions as nlattrs, where the nlalen field is of type u16. The vulnerability committed in a1e64addf3ff „net: openvswitch: remove misbehavin...

SUSE CVE-2026-68287

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: fix size calculations for 64-bit attributes netdmpacketreportfill and netdmhwpacketreportfill use nlaputu6464bit to append 64-bit attributes NETDMATTRPC and NETDMATTRTIMESTAMP. On 32-bit architectures without...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099775)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099775 advisory. A flaw was found in the Linux kernels IP framework for transforming packets XFRM subsystem. This issue may allow a malicious user with CAPNETADMIN privileges to caus...

AZL-94968 CVE-2026-68287 affecting package kernel for versions less than 6.6.158.1-1

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: fix size calculations for 64-bit attributes netdmpacketreportfill and netdmhwpacketreportfill use nlaputu6464bit to append 64-bit attributes NETDMATTRPC and NETDMATTRTIMESTAMP. On 32-bit architectures without...

SUSE CVE-2026-64553

In the Linux kernel, the following vulnerability has been resolved: net: psample: fix info leak in PSAMPLEATTRDATA psample open codes nlaput presumably to avoid wiping the data with 0s just to override it with packet data. This open coding is missing clearing the pad, however, each netlink attr i...

CVE-2026-64553

In the Linux kernel, the following vulnerability has been resolved: net: psample: fix info leak in PSAMPLEATTRDATA psample open codes nlaput presumably to avoid wiping the data with 0s just to override it with packet data. This open coding is missing clearing the pad, however, each netlink attr i...

CVE-2026-64553 net: psample: fix info leak in PSAMPLE_ATTR_DATA

In the Linux kernel, the following vulnerability has been resolved: net: psample: fix info leak in PSAMPLEATTRDATA psample open codes nlaput presumably to avoid wiping the data with 0s just to override it with packet data. This open coding is missing clearing the pad, however, each netlink attr i...

EUVD-2026-49109

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs Open vSwitch stores generated flow actions as nlattrs, whose nlalen field is u16. Commit a1e64addf3ff "net: openvswitch: remove misbehaving actions length check" allowed the...

PT-2026-61177

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RDMA/core component where certain attributes are evaluated as C-strings using strcmp. The use of NLA STRING fails to verify the presence of a null terminator 0,...

dirtyfrag

Dirty Frag Overview Dirty Frag is a class of Linux ke...

CVE-2026-31428 netfilter: nfnetlink_log: fix uninitialized padding leak in NFULA_PAYLOAD

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: fix uninitialized padding leak in NFULAPAYLOAD buildpacketmessage manually constructs the NFULAPAYLOAD netlink attribute using skbput and skbcopybits, bypassing the standard nlareserve/nlaput helpers. Whi...

PT-2026-35133

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the af unix module where exact UNIX diag lookups hold a reference to the socket but not to u-path. The unix release sock function clears u-path under the unix state lo...

PT-2026-32354

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the netfilter nfnetlink log component allows the leak of stale heap contents to userspace via the NFLOG netlink socket. The function build packet message manually constructs th...