Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/fair: This bug prevents dead task groups from regaining access to cfsrq. Kevin is reporting crashes that indicate a use-after-free of cfsrq in the function updateblockedaverages. Initial debugging revealed that cfsrq...

CVE-2021-47209

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Prevent dead task groups from regaining cfsrq's Kevin is reporting crashes which point to a use-after-free of a cfsrq in updateblockedaverages. Initial debugging revealed that we've live cfsrq's onlist=1 in an about t...

CVE-2021-47209

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Prevent dead task groups from regaining cfsrq's Kevin is reporting crashes which point to a use-after-free of a cfsrq in updateblockedaverages. Initial debugging revealed that we've live cfsrq's onlist=1 in an about t...

DEBIAN-CVE-2021-47209

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Prevent dead task groups from regaining cfsrq's Kevin is reporting crashes which point to a use-after-free of a cfsrq in updateblockedaverages. Initial debugging revealed that we've live cfsrq's onlist=1 in an about t...

UBUNTU-CVE-2021-47209

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Prevent dead task groups from regaining cfsrq's Kevin is reporting crashes which point to a use-after-free of a cfsrq in updateblockedaverages. Initial debugging revealed that we've live cfsrq's onlist=1 in an about t...

CVE-2021-47209 sched/fair: Prevent dead task groups from regaining cfs_rq's

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Prevent dead task groups from regaining cfsrq's Kevin is reporting crashes which point to a use-after-free of a cfsrq in updateblockedaverages. Initial debugging revealed that we've live cfsrq's onlist=1 in an about t...

CVE-2021-47209

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Prevent dead task groups from regaining cfsrq's Kevin is reporting crashes which point to a use-after-free of a cfsrq in updateblockedaverages. Initial debugging revealed that we've live cfsrq's onlist=1 in an about t...

CVE-2021-47209

The CVE-2021-47209 vulnerability affects the Linux kernel sched/fair subsystem, where a race can let cfs_rq structures be re-added to a dying task group and freed while still linked. Concrete details in connected docs show the root cause lies with tg_unthrottle_up() invoked from sched_cfs_period_...