EUVD-2026-45710

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Use READONCE when reading entries/indices from PSC buffer Use READONCE when reading entries/indices from the guest-accessible Page State Change buffer to defend against TOCTOU bugs. Don't bother with READONCE/WRITEONCE...

CVE-2026-63937

In the Linux kernel, CVE-2026-63937 pertains to KVM SEV where entries/indices in the guest-accessible PSC Page State Change buffer are now read with READ_ONCE() to defend against TOCTOU bugs. This change targets misbehavior by guests and reduces potential timing-related issues when the buffer is ...

CVE-2026-63937 KVM: SEV: Use READ_ONCE() when reading entries/indices from PSC buffer

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Use READONCE when reading entries/indices from PSC buffer Use READONCE when reading entries/indices from the guest-accessible Page State Change buffer to defend against TOCTOU bugs. Don't bother with READONCE/WRITEONCE...

EUVD-2026-45764

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix amdgpuhmmrangegetpages The notifier sequence must only be read once or otherwise we could work with invalid pages. While at it also fix the coding style, e.g. drop the pre-initialized return value and use the comm...

PT-2026-61351

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Time-of-Check to Time-of-Use TOCTOU double-fetch issue exists in the mana hwc rx event handler function. The hwc msg id is read from DMA-coherent memory and bounds-checked, but is...

PT-2026-61254

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM SEV component where entries and indices are read from the guest-accessible Page State Change PSC buffer without proper synchronization. This lack of...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: bonding: Fixed a use-after-free in bondxmitbroadcast. bondxmitbroadcast reuses the original skb for the last slave determined by bondislastslave and clones it for others. Concurrent slave enslave/release operations may mutat...

Linux Distros Unpatched Vulnerability : CVE-2026-53271

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: fix NULL-deref of opinfo-conn in oplock/lease break notifiers smb2oplockbreaknoti and smb2leasebreaknoti read opinfo-conn into a local with neither...

SUSE CVE-2026-53008

In the Linux kernel, the following vulnerability has been resolved: ice: fix race condition in TX timestamp ring cleanup Fix a race condition between icefreetxtstampring and icetxmap that can cause a NULL pointer dereference. icefreetxtstampring currently clears the ICETXFLAGSTXTIME flag after...

SUSE CVE-2026-53271

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL-deref of opinfo-conn in oplock/lease break notifiers smb2oplockbreaknoti and smb2leasebreaknoti read opinfo-conn into a local with neither READONCE nor a NULL check. Both run from oplockbreak after opinfogetlist h...

CVE-2026-53271

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL-deref of opinfo-conn in oplock/lease break notifiers smb2oplockbreaknoti and smb2leasebreaknoti read opinfo-conn into a local with neither READONCE nor a NULL check. Both run from oplockbreak after opinfogetlist h...

UBUNTU-CVE-2026-53271

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL-deref of opinfo-conn in oplock/lease break notifiers smb2oplockbreaknoti and smb2leasebreaknoti read opinfo-conn into a local with neither READONCE nor a NULL check. Both run from oplockbreak after opinfogetlist h...

CVE-2026-53271

CVE-2026-53271 affects the Linux kernel ksmbd component. The vulnerability is a NULL-deref in oplock/lease break notifiers: smb2_oplock_break_noti() and smb2_lease_break_noti() read opinfo->conn into a local buffer without READ_ONCE and without a NULL check. After opinfo_get_list() drops ci-&g...

EUVD-2026-39222

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL-deref of opinfo-conn in oplock/lease break notifiers smb2oplockbreaknoti and smb2leasebreaknoti read opinfo-conn into a local with neither READONCE nor a NULL check. Both run from oplockbreak after opinfogetlist h...

CVE-2026-53271 ksmbd: fix NULL-deref of opinfo->conn in oplock/lease break notifiers

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL-deref of opinfo-conn in oplock/lease break notifiers smb2oplockbreaknoti and smb2leasebreaknoti read opinfo-conn into a local with neither READONCE nor a NULL check. Both run from oplockbreak after opinfogetlist h...

PT-2026-52366

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL-dereference issue exists in the ksmbd module. The functions smb2 oplock break noti and smb2 lease break noti read the opinfo-conn variable without using READ ONCE or performing a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bonding: Annotate the data races around slave-lastrx. slave-lastrx and slave-targetlastarprx... can be read and written without locking. Add READONCE and WRITEONCE annotations. syzbot reported: BUG: KCSAN: Data race in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: mISDN: Annotated data-race around dev-work dev-work can be read without locking in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: Data race in mISDNioctl/mISDNread Writing 0xffff88812d848280 4 bytes b...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ipv6: Annotated data-race in ndiscrouterdiscovery The syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This seems fine, as IFLAINET6RAMTU is a best-effort mechanism. Add...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ICMP: Fixed a data race around the sysctlicmperrorsuseinboundifaddr function. When reading sysctlicmperrorsuseinboundifaddr, it can be changed concurrently. Therefore, we need to add READONCE to its reader function...