PT-2026-20560

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

Grafana Labs 3.0.0 < 11.6.9+security-01 / 12.0.0 < 12.0.8+security-01 / 12.1.0 < 12.1.5+security-01 / 12.2.0 < 12.2.3+security-01 / 12.3.0 < 12.3.1+security-01 DoS (CVE-2026-21720)

The version of Grafana Labs installed on the remote host is affected by a denial of service vulnerability as referenced in the CVE-2026-21720 advisory. - Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue long...

UBUNTU-CVE-2026-21720

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

CVE-2026-21720

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

CVE-2026-21720

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

PT-2026-4877

Name of the Vulnerable Software and Affected Versions Grafana affected versions not specified Description The software can crash due to a memory exhaustion issue triggered by uncached requests to the /avatar/:hash endpoint. Each request spawns a goroutine to refresh the Gravatar image. If this...

CVE-2026-23004

In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist syzbot was able to crash the kernel in rt6uncachedlistflushdev in an interesting way 1 Crash happens in listdelinit/INITLISTHEAD while writing list-prev, while the prior...

AZL-77304 CVE-2026-23004 affecting package kernel for versions less than 6.6.130.1-1

In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist syzbot was able to crash the kernel in rt6uncachedlistflushdev in an interesting way 1 Crash happens in listdelinit/INITLISTHEAD while writing list-prev, while the prior...

UBUNTU-CVE-2026-23004

In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist syzbot was able to crash the kernel in rt6uncachedlistflushdev in an interesting way 1 Crash happens in listdelinit/INITLISTHEAD while writing list-prev, while the prior...

CVE-2026-23004

In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist syzbot was able to crash the kernel in rt6uncachedlistflushdev in an interesting way 1 Crash happens in listdelinit/INITLISTHEAD while writing list-prev, while the prior...

EUVD-2026-4614

In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist syzbot was able to crash the kernel in rt6uncachedlistflushdev in an interesting way 1 Crash happens in listdelinit/INITLISTHEAD while writing list-prev, while the prior...

CVE-2026-23004 dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list()

In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist syzbot was able to crash the kernel in rt6uncachedlistflushdev in an interesting way 1 Crash happens in listdelinit/INITLISTHEAD while writing list-prev, while the prior...

CVE-2026-23004

In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist syzbot was able to crash the kernel in rt6uncachedlistflushdev in an interesting way 1 Crash happens in listdelinit/INITLISTHEAD while writing list-prev, while the prior...

CVE-2026-23004

The CVE-2026-23004 issue in the Linux kernel concerns races in the IPv6 dst cache path (rt6_uncached_list_del/rt_del_uncached_list) leading to use-after-free during list_head initialization in INIT_LIST_HEAD, as observed by KASAN in rt6_uncached_list_flush_dev and related paths. The root cause is...

CVE-2026-23004 dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list()

In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist syzbot was able to crash the kernel in rt6uncachedlistflushdev in an interesting way 1 Crash happens in listdelinit/INITLISTHEAD while writing list-prev, while the prior...

CVE-2026-23004

In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist syzbot was able to crash the kernel in rt6uncachedlistflushdev in an interesting way 1 Crash happens in listdelinit/INITLISTHEAD while writing list-prev, while the prior...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000559)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000559 advisory. The cifsiovecwrite function in fs/cifs/file.c in the Linux kernel through 3.13.5 does not properly handle uncached write operations that copy fewer than the requeste...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002303)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002303 advisory. The cifsiovecwrite function in fs/cifs/file.c in the Linux kernel through 3.13.5 does not properly handle uncached write operations that copy fewer than the requeste...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Forces the legacy PCI hole to be mapped as UC when overriding MTRRs for TDX/SNP. When running as an SNP or TDX guest under KVM, the legacy PCI hole—that is, the memory between Top of Lower Usable DRAM and 4 GiB—is forced...

PT-2026-4666

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained a race condition in the rt6 uncached list del and rt del uncached list functions. The syzbot tool was able to crash the kernel in rt6 uncached list flush dev d...