CVE-2021-29154
Linux BPF JIT Compiler Arbitrary Code Execution
Description
BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.
INFO
Published Date :
April 8, 2021, 9:15 p.m.
Last Modified :
Nov. 21, 2024, 6 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-29154 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-29154
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-2021-29154.
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).
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-29154 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-29154 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/162434/Kernel-Live-Patch-Security-Notice-LSN-0076-1.html Added Reference https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=26f55a59dc65ff77cd1c4b37991e26497fc68049 Added Reference https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4d4d456436bfb2fe412ee2cd489f7658449b098 Added Reference https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html Added Reference https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/ Added Reference https://news.ycombinator.com/item?id=26757760 Added Reference https://security.netapp.com/advisory/ntap-20210604-0006/ Added Reference https://www.openwall.com/lists/oss-security/2021/04/08/1 Added Reference https://www.oracle.com/security-alerts/cpujul2022.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 25, 2024
Action Type Old Value New Value Added Reference MITRE https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4d4d456436bfb2fe412ee2cd489f7658449b098 [No types assigned] Added Reference MITRE https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=26f55a59dc65ff77cd1c4b37991e26497fc68049 [No types assigned] -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/ -
Modified Analysis by [email protected]
Feb. 24, 2023
Action Type Old Value New Value Changed Reference Type https://www.oracle.com/security-alerts/cpujul2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujul2022.html Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 5.11.12 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 4.4.266 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.266 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.230 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.186 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.111 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.29 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.11.13 -
CVE Modified by [email protected]
Jul. 25, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujul2022.html [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 19, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/ Mailing List, Third Party Advisory Removed CPE Configuration OR *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 23, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html [No Types Assigned] Added Reference https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html [No Types Assigned] -
Modified Analysis by [email protected]
Jun. 08, 2021
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/162434/Kernel-Live-Patch-Security-Notice-LSN-0076-1.html No Types Assigned http://packetstormsecurity.com/files/162434/Kernel-Live-Patch-Security-Notice-LSN-0076-1.html Third Party Advisory, VDB Entry Changed Reference Type https://security.netapp.com/advisory/ntap-20210604-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20210604-0006/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 04, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20210604-0006/ [No Types Assigned] -
CVE Modified by [email protected]
May. 03, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/162434/Kernel-Live-Patch-Security-Notice-LSN-0076-1.html [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 14, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/ Third Party Advisory Changed Reference Type https://news.ycombinator.com/item?id=26757760 No Types Assigned https://news.ycombinator.com/item?id=26757760 Issue Tracking, Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2021/04/08/1 No Types Assigned https://www.openwall.com/lists/oss-security/2021/04/08/1 Mailing List, Patch, Third Party Advisory Added CWE NIST CWE-77 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 5.11.12 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 14, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/ [No Types Assigned] -
CVE Modified by [email protected]
Apr. 10, 2021
Action Type Old Value New Value Added Reference https://news.ycombinator.com/item?id=26757760 [No Types Assigned] -
CVE Modified by [email protected]
Apr. 09, 2021
Action Type Old Value New Value Changed Description Incorrect computation of branch displacements in BPF JIT compilers the Linux kernel can be abused to execute arbitrary code in Kernel mode. BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-29154 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-2021-29154
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.17934
percentile