CVE-2021-32606

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Summary

CVECVE-2021-32606
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-11 23:15:00 UTC
Updated2023-11-07 03:35:00 UTC
DescriptionIn the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation to root by leveraging a use-after-free. (This does not affect earlier versions that lack CAN ISOTP SF_BROADCAST support.)

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 32 All All All
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
oss-security - Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation MLIST www.openwall.com
[SECURITY] Fedora 34 Update: kernel-5.11.21-300.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
oss-security - Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation MLIST www.openwall.com
[SECURITY] Fedora 32 Update: kernel-5.11.21-100.fc32 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 32 Update: kernel-5.11.21-100.fc32 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
CVE-2021-32606 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
[SECURITY] Fedora 34 Update: kernel-5.11.21-300.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
oss-security - Linux kernel: net/can/isotp: race condition leads to local privilege escalation MISC www.openwall.com
[SECURITY] Fedora 33 Update: kernel-5.11.21-200.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
oss-security - Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation MLIST www.openwall.com
oss-security - Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation MLIST www.openwall.com
[SECURITY] Fedora 33 Update: kernel-5.11.21-200.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 281140 Fedora Security Update for kernel (FEDORA-2021-4f852b79d1)
  • 281141 Fedora Security Update for kernel (FEDORA-2021-8832eab899)
  • 281142 Fedora Security Update for kernel (FEDORA-2021-bae582b42c)
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