CVE-2026-23121

In the Linux kernel, the following vulnerability has been resolved: mISDN: annotate data-race around dev-work dev-work can re read locklessly in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: data-race in mISDNioctl / mISDNread write to 0xffff88812d848280 of 4 bytes by...

UBUNTU-CVE-2026-23124

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

CVE-2026-23124

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

UBUNTU-CVE-2026-23121

In the Linux kernel, the following vulnerability has been resolved: mISDN: annotate data-race around dev-work dev-work can re read locklessly in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: data-race in mISDNioctl / mISDNread write to 0xffff88812d848280 of 4 bytes by...

CVE-2026-23124 ipv6: annotate data-race in ndisc_router_discovery()

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

CVE-2026-23124 ipv6: annotate data-race in ndisc_router_discovery()

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

CVE-2026-23124

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

EUVD-2026-5912

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

CVE-2026-23124 ipv6: annotate data-race in ndisc_router_discovery()

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

EUVD-2026-5915

In the Linux kernel, the following vulnerability has been resolved: mISDN: annotate data-race around dev-work dev-work can re read locklessly in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: data-race in mISDNioctl / mISDNread write to 0xffff88812d848280 of 4 bytes by...

CVE-2026-23121

Technical details for CVE-2026-23121 are not provided in the supplied documents. No affected products, root cause, or remediation are stated here. Monitor for updates from the vendor/security advisories.

CVE-2026-23121 mISDN: annotate data-race around dev->work

In the Linux kernel, the following vulnerability has been resolved: mISDN: annotate data-race around dev-work dev-work can re read locklessly in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: data-race in mISDNioctl / mISDNread write to 0xffff88812d848280 of 4 bytes by...

CVE-2026-23121 mISDN: annotate data-race around dev->work

In the Linux kernel, the following vulnerability has been resolved: mISDN: annotate data-race around dev-work dev-work can re read locklessly in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: data-race in mISDNioctl / mISDNread write to 0xffff88812d848280 of 4 bytes by...

CVE-2026-23121 mISDN: annotate data-race around dev->work

In the Linux kernel, the following vulnerability has been resolved: mISDN: annotate data-race around dev-work dev-work can re read locklessly in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: data-race in mISDNioctl / mISDNread write to 0xffff88812d848280 of 4 bytes by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: vxlan: Annotate FDB data races The “used” and “updated” fields in the FDB entry structure can be accessed concurrently by multiple threads, leading to issues such as reported cases like 1. These issues can be reproduced using ...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: Always use READONCE to read the buffer lengths of the ring buffer. Since the buffers are mapped from the user space, it is prudent to use READONCE to read the values into a local variable, and use that data for any...

PT-2026-20424

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a data race condition related to the handling of bonded network interfaces. Specifically, the slave-last rx and slave-target last arp rx variables can be read a...

PT-2026-8114

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a data race condition around dev-work within the mISDN module. Specifically, dev-work can be read locklessly in the mISDN read and mISDN poll functions. The iss...

PT-2026-8117

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a data race condition within the ndisc router discovery function. The syzbot tool identified that this function could read and write to in6 dev-ra mtu without...

PT-2026-27667

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A data race occurs in the network subsystem when skmsg or other layers modify the sk data ready and sk write space pointers while other CPUs read them concurrently. Recommendations At th...