CVE-2022-33740
Linux Block and Network PV Data Leaks Vulnerability
Description
Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740). Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742).
INFO
Published Date :
July 5, 2022, 1:15 p.m.
Last Modified :
Nov. 7, 2023, 3:48 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.2
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2022-33740
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-33740.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2022/07/05/6 | Mailing List Patch Third Party Advisory |
| http://xenbits.xen.org/xsa/advisory-403.html | Patch Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGFTRZ66KQYTSYIRT5FRHF5D6O72NWOP/ | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/ | |
| https://www.debian.org/security/2022/dsa-5191 | Third Party Advisory |
| https://xenbits.xenproject.org/xsa/advisory-403.txt | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-33740 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-33740 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Xen Project https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGFTRZ66KQYTSYIRT5FRHF5D6O72NWOP/ [No types assigned] Added Reference Xen Project https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/ [No types assigned] Removed Reference Xen Project https://lists.fedoraproject.org/archives/list/[email protected]/message/IGFTRZ66KQYTSYIRT5FRHF5D6O72NWOP/ Removed Reference Xen Project https://lists.fedoraproject.org/archives/list/[email protected]/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/ -
CWE Remap by [email protected]
Aug. 08, 2023
Action Type Old Value New Value Changed CWE CWE-200 CWE-212 -
Reanalysis by [email protected]
Jul. 20, 2023
Action Type Old Value New Value Removed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:2.6.12:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.13 up to (excluding) 4.9.322 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.14 up to (excluding) 4.14.287 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.19 up to (excluding) 4.19.251 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4 up to (excluding) 5.4.204 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10 up to (excluding) 5.10.129 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.15 up to (excluding) 5.15.53 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.18 up to (excluding) 5.18.10 *cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:* *cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:* -
Modified Analysis by [email protected]
Oct. 29, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/ Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2022/dsa-5191 No Types Assigned https://www.debian.org/security/2022/dsa-5191 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 02, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 27, 2022
Action Type Old Value New Value Added Reference https://www.debian.org/security/2022/dsa-5191 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 23, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/ [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 15, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2022/07/05/6 No Types Assigned http://www.openwall.com/lists/oss-security/2022/07/05/6 Mailing List, Patch, Third Party Advisory Changed Reference Type http://xenbits.xen.org/xsa/advisory-403.html No Types Assigned http://xenbits.xen.org/xsa/advisory-403.html Patch, Vendor Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/IGFTRZ66KQYTSYIRT5FRHF5D6O72NWOP/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/IGFTRZ66KQYTSYIRT5FRHF5D6O72NWOP/ Mailing List, Third Party Advisory Changed Reference Type https://xenbits.xenproject.org/xsa/advisory-403.txt No Types Assigned https://xenbits.xenproject.org/xsa/advisory-403.txt Vendor Advisory Added CWE NIST CWE-200 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 13, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/IGFTRZ66KQYTSYIRT5FRHF5D6O72NWOP/ [No Types Assigned] -
CVE Modified by [email protected]
Jul. 05, 2022
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2022/07/05/6 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 05, 2022
Action Type Old Value New Value Added Reference http://xenbits.xen.org/xsa/advisory-403.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-33740 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-33740
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.02%
score
0.25807
percentile