| Vulnerability Name: | CVE-2021-32606 (CCN-201709) | ||||||||||||
| Assigned: | 2021-05-11 | ||||||||||||
| Published: | 2021-05-11 | ||||||||||||
| Updated: | 2021-09-07 | ||||||||||||
| Summary: | In 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.) | ||||||||||||
| CVSS v3 Severity: | 7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) 6.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
6.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
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| CVSS v2 Severity: | 7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
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| Vulnerability Type: | CWE-416 | ||||||||||||
| Vulnerability Consequences: | Gain Privileges | ||||||||||||
| References: | Source: MITRE Type: CNA CVE-2021-32606 Source: MLIST Type: Mailing List, Third Party Advisory [oss-security] 20210512 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation Source: MLIST Type: Mailing List, Third Party Advisory [oss-security] 20210514 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation Source: MLIST Type: Mailing List, Third Party Advisory [oss-security] 20210514 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation Source: MLIST Type: Mailing List, Patch, Third Party Advisory [oss-security] 20210528 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation Source: XF Type: UNKNOWN linux-kernel-cve202132606-priv-esc(201709) Source: FEDORA Type: Mailing List, Third Party Advisory FEDORA-2021-8832eab899 Source: FEDORA Type: Mailing List, Third Party Advisory FEDORA-2021-bae582b42c Source: FEDORA Type: Mailing List, Third Party Advisory FEDORA-2021-4f852b79d1 Source: CCN Type: oss-sec Mailing List, Wed, 12 May 2021 06:16:08 +0200 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation Source: CONFIRM Type: Third Party Advisory https://security.netapp.com/advisory/ntap-20210625-0001/ Source: CCN Type: Linux Kernel Web site The Linux Kernel Archives Source: MISC Type: Mailing List, Third Party Advisory https://www.openwall.com/lists/oss-security/2021/05/11/16 | ||||||||||||
| Vulnerable Configuration: | Configuration 1: Configuration 2: Configuration CCN 1:  Denotes that component is vulnerable | ||||||||||||
| Oval Definitions | |||||||||||||
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