cve-2020-25669
Vulnerability from cvelistv5
Published
2021-05-26 11:25
Modified
2024-08-04 15:40
Severity ?
Summary
A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.
References
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2020/11/05/2Exploit, Mailing List, Third Party Advisory
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2020/11/20/5Exploit, Mailing List, Third Party Advisory
secalert@redhat.comhttps://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7ePatch, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20210702-0006/Third Party Advisory
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2020/11/05/2%2C
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2020/11/20/5%2C
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/11/05/2Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/11/20/5Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7ePatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210702-0006/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2020/11/05/2%2C
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2020/11/20/5%2C
Impacted products
Vendor Product Version
n/a Linux Kernel Version: 5.9.4
Show details on NVD website

To clipboard 

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Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20210702-0006/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.openwall.com/lists/oss-security/2020/11/05/2%2C\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.openwall.com/lists/oss-security/2020/11/20/5%2C\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
   },
}


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Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.