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kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c

🗓️ 12 May 2020 19:02:57Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Use-after-free in blktrace __blk_add_trace allows local attackers to race a freed object and cause memory corruption; not backported.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64bpftool0:3.10.0-1127.8.2.el7bpftool-0:3.10.0-1127.8.2.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lebpftool0:3.10.0-1127.8.2.el7bpftool-0:3.10.0-1127.8.2.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xbpftool0:3.10.0-1127.8.2.el7bpftool-0:3.10.0-1127.8.2.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64bpftool0:3.10.0-1127.8.2.el7bpftool-0:3.10.0-1127.8.2.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64bpftool-debuginfo0:3.10.0-1127.8.2.el7bpftool-debuginfo-0:3.10.0-1127.8.2.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lebpftool-debuginfo0:3.10.0-1127.8.2.el7bpftool-debuginfo-0:3.10.0-1127.8.2.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xbpftool-debuginfo0:3.10.0-1127.8.2.el7bpftool-debuginfo-0:3.10.0-1127.8.2.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64bpftool-debuginfo0:3.10.0-1127.8.2.el7bpftool-debuginfo-0:3.10.0-1127.8.2.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64kernel0:3.10.0-1127.8.2.el7kernel-0:3.10.0-1127.8.2.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lekernel0:3.10.0-1127.8.2.el7kernel-0:3.10.0-1127.8.2.el7.ppc64le.rpm
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28 Jun 2026 12:20Current
7High risk
Vulners AI Score7
CVSS 25
CVSS 3.17.5
EPSS0.0415
2