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THREAT OPS › Threat News › [NVD] CVE-2021-46984 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: kyber: fix out of bounds access when preempted __blk_mq_sched_bio_merge() gets the ctx and hctx for the current CPU and passes the hctx to ->bio_merge(). kyber_bio_merge() then gets the ctx for the current CPU

[NVD] CVE-2021-46984 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: kyber: fix out of bounds access when preempted __blk_mq_sched_bio_merge() gets the ctx and hctx for the current CPU and passes the hctx to ->bio_merge(). kyber_bio_merge() then gets the ctx for the current CPU

lownvdPublished 2024-02-28

CVE-2021-46984 CVSS: 7.8 HIGH Published: 2024-02-28T09:15:37.450

In the Linux kernel, the following vulnerability has been resolved:

kyber: fix out of bounds access when preempted

__blk_mq_sched_bio_merge() gets the ctx and hctx for the current CPU and passes the hctx to ->bio_merge(). kyber_bio_merge() then gets the ctx for the current CPU again and uses that to get the corresponding Kyber con

Indicators of compromise

CVE-2021-46984cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2021-46984