CVE-2021-28691

01/תיאור (מקור, אנגלית)

Guest triggered use-after-free in Linux xen-netback A malicious or buggy network PV frontend can force Linux netback to disable the interface and terminate the receive kernel thread associated with queue 0 in response to the frontend sending a malformed packet. Such kernel thread termination will lead to a use-after-free in Linux netback when the backend is destroyed, as the kernel thread associated with queue 0 will have already exited and thus the call to kthread_stop will be performed against a stale pointer.

02/מוצרים מושפעים

netapp: solidfire baseboard management controller; linux: linux kernel; netapp: cloud backup; netapp: h410c firmware; netapp: h410c; netapp: h300s firmware; netapp: h300s; netapp: h500s firmware; netapp: h500s; netapp: h700s firmware; netapp: h700s; netapp: h300e firmware; netapp: h300e; netapp: h500e firmware; netapp: h500e

03/קישורים6

• security.gentoo.org/glsa/202107-30 Third Party Advisory
• security.netapp.com/advisory/ntap-20210805-0002/ Third Party Advisory
• xenbits.xenproject.org/xsa/advisory-374.txt Third Party Advisory
• security.gentoo.org/glsa/202107-30 Third Party Advisory
• security.netapp.com/advisory/ntap-20210805-0002/ Third Party Advisory
• xenbits.xenproject.org/xsa/advisory-374.txt Third Party Advisory