CVE-2026-97922 tracing: Free histogram var refs regardless of how often they are referenced

In the Linux kernel, the following vulnerability has been resolved: tracing: Free histogram var refs regardless of how often they are referenced Using the same variable three or more times in one hist trigger leaks the variable reference and its strings when the trigger is removed. commit...

CVE-2026-97921

In the Linux kernel, the following vulnerability has been resolved: tracing: Free histogram the field rejected for a bad modifier Writing a hist trigger whose value or variable carries a modifier that is not allowed there leaks the fields that were built for it. createvalfield takes the field fro...

CVE-2026-97922

In the Linux kernel, the following vulnerability has been resolved: tracing: Free histogram var refs regardless of how often they are referenced Using the same variable three or more times in one hist trigger leaks the variable reference and its strings when the trigger is removed. commit...

CVE-2026-97920 tracing: Keep the entry count when the histogram stats allocation fails

In the Linux kernel, the following vulnerability has been resolved: tracing: Keep the entry count when the histogram stats allocation fails printentries uses nentries both as the number of sort entries and as its own return value, so the -ENOMEM it stores when the stats allocation fails overwrite...

CVE-2026-97920

In the Linux kernel, the following vulnerability has been resolved: tracing: Keep the entry count when the histogram stats allocation fails printentries uses nentries both as the number of sort entries and as its own return value, so the -ENOMEM it stores when the stats allocation fails overwrite...

CVE-2026-97918 tracing: Undo the registration when enabling the histogram trigger fails

In the Linux kernel, the following vulnerability has been resolved: tracing: Undo the registration when enabling the histogram trigger fails Commit 6f86bdeab633 "tracing: Fix bad hist from corrupting namedtriggers list" described how a trigger that is registered but not on file-triggers ends up...

CVE-2026-97918 tracing: Undo the registration when enabling the histogram trigger fails

In the Linux kernel, the following vulnerability has been resolved: tracing: Undo the registration when enabling the histogram trigger fails Commit 6f86bdeab633 "tracing: Fix bad hist from corrupting namedtriggers list" described how a trigger that is registered but not on file-triggers ends up...

CVE-2026-97919

In the Linux kernel, the following vulnerability has been resolved: tracing: Take the reference before publishing the named histogram trigger eventhisttriggernamedinit puts the trigger on the global namedtriggers list and only then takes the reference on the trigger it shares its histogram with:...

CVE-2026-97936: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory corruption from the histogram stacktrace modifier parsefield sets HISTFIELDFLSTACKTRACE from the ".stacktrace" modifier before it looks the field name up, and nothing afterwards checks that the name resolved t...

CVE-2026-97921: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tracing: Free histogram the field rejected for a bad modifier Writing a hist trigger whose value or variable carries a modifier that is not allowed there leaks the fields that were built for it. createvalfield takes the field fro...

CVE-2026-97922: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tracing: Free histogram var refs regardless of how often they are referenced Using the same variable three or more times in one hist trigger leaks the variable reference and its strings when the trigger is removed. commit...

Linux Distros Unpatched Vulnerability : CVE-2026-97922

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tracing: Free histogram var refs regardless of how often they are referenced Using the same variable three or more times in one hist trigger leaks the variable...

Linux Distros Unpatched Vulnerability : CVE-2026-97921

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tracing: Free histogram the field rejected for a bad modifier Writing a hist trigger whose value or variable carries a modifier that is not allowed there leaks...

CVE-2026-97922

In the Linux kernel, the following vulnerability has been resolved: tracing: Free histogram var refs regardless of how often they are referenced Using the same variable three or more times in one hist trigger leaks the variable reference and its strings when the trigger is removed. commit...

CVE-2026-97921

In the Linux kernel, the following vulnerability has been resolved: tracing: Free histogram the field rejected for a bad modifier Writing a hist trigger whose value or variable carries a modifier that is not allowed there leaks the fields that were built for it. createvalfield takes the field fro...

CVE-2026-97920

In the Linux kernel, the following vulnerability has been resolved: tracing: Keep the entry count when the histogram stats allocation fails printentries uses nentries both as the number of sort entries and as its own return value, so the -ENOMEM it stores when the stats allocation fails overwrite...

PT-2026-98582

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the tracing component of the Linux kernel. The problem occurs when enabling a histogram trigger fails, causing a trigger to be freed while it remain...

PT-2026-98585

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the tracing subsystem where writing a histogram trigger with a value or variable containing an unauthorized modifier leads to a memory leak. The function create val...

PT-2026-98586

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the tracing component where using the same variable three or more times within a single histogram trigger causes a memory leak of the variable reference and its...

PT-2026-98599

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the Linux kernel tracing subsystem. The hist register trigger function adds a trigger to the global named triggers list during cmd ops-init before t...