CVE-2020-25641 (GCVE-0-2020-25641)
Vulnerability from cvelistv5
Published
2020-10-06 13:33
Modified
2024-08-04 15:40
Severity ?
CWE
Summary
A flaw was found in the Linux kernel's implementation of biovecs in versions before 5.9-rc7. A zero-length biovec request issued by the block subsystem could cause the kernel to enter an infinite loop, causing a denial of service. This flaw allows a local attacker with basic privileges to issue requests to a block device, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
References
secalert@redhat.com http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html Mailing List, Third Party Advisory
secalert@redhat.com http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html Mailing List, Third Party Advisory
secalert@redhat.com http://www.openwall.com/lists/oss-security/2020/10/06/9 Mailing List, Third Party Advisory
secalert@redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1881424 Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7e24969022cbd61ddc586f14824fc205661bb124 Mailing List, Patch, Vendor Advisory
secalert@redhat.com https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory
secalert@redhat.com https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory
secalert@redhat.com https://usn.ubuntu.com/4576-1/ Third Party Advisory
secalert@redhat.com https://www.kernel.org/doc/html/latest/block/biovecs.html Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2020/10/06/9 Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://bugzilla.redhat.com/show_bug.cgi?id=1881424 Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7e24969022cbd61ddc586f14824fc205661bb124 Mailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://usn.ubuntu.com/4576-1/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.kernel.org/doc/html/latest/block/biovecs.html Vendor Advisory
Impacted products
Vendor Product Version
n/a kernel Version: kernel versions before 5.9-rc7
Show details on NVD website

To clipboard 

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  • 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.