4.7

CVE-2021-28964

A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version <= 5.11.8
Fedoraproject ≫ Fedora Version32
Fedoraproject ≫ Fedora Version33
Fedoraproject ≫ Fedora Version34
Debian ≫ Debian Linux Version9.0
Netapp ≫ Cloud Backup Version-
Netapp ≫ Aff A250 Firmware Version-
   Netapp ≫ Aff A250 Version-
Netapp ≫ Fas 500f Firmware Version-
   Netapp ≫ Fas 500f Version-
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.27% 0.18
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.7 1 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 1.9 3.4 2.9
AV:L/AC:M/Au:N/C:N/I:N/A:P
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
Third Party Advisory
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https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/
https://security.netapp.com/advisory/ntap-20210430-0003/
Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dbcc7d57bffc0c8cac9dac11bec548597d59a6a5
Vendor Advisory
Mailing List