CVE-2023-52462
Linux Kernel BPF Pointer Corruption Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: bpf: fix check for attempt to corrupt spilled pointer When register is spilled onto a stack as a 1/2/4-byte register, we set slot_type[BPF_REG_SIZE - 1] (plus potentially few more below it, depending on actual spill size). So to check if some stack slot has spilled register we need to consult slot_type[7], not slot_type[0]. To avoid the need to remember and double-check this in the future, just use is_spilled_reg() helper.
INFO
Published Date :
Feb. 23, 2024, 3:15 p.m.
Last Modified :
Nov. 21, 2024, 8:39 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected kernel packages.
- Reboot the system after the update.
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-2023-52462.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-52462 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-2023-52462
weaknesses.
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-2023-52462 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-52462 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 https://git.kernel.org/stable/c/2757f17972d87773b3677777f5682510f13c66ef Added Reference https://git.kernel.org/stable/c/40617d45ea05535105e202a8a819e388a2b1f036 Added Reference https://git.kernel.org/stable/c/67e6707f07354ed1acb4e65552e97c60cf9d69cf Added Reference https://git.kernel.org/stable/c/8dc15b0670594543c356567a1a45b0182ec63174 Added Reference https://git.kernel.org/stable/c/ab125ed3ec1c10ccc36bc98c7a4256ad114a3dae Added Reference https://git.kernel.org/stable/c/fc3e3c50a0a4cac1463967c110686189e4a59104 Added Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 05, 2024
Action Type Old Value New Value Added CWE CISA-ADP CWE-476 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Nov. 04, 2024
Action Type Old Value New Value Removed Reference kernel.org https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 25, 2024
Action Type Old Value New Value Added Reference kernel.org https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html [No types assigned] -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 17, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://git.kernel.org/stable/c/2757f17972d87773b3677777f5682510f13c66ef No Types Assigned https://git.kernel.org/stable/c/2757f17972d87773b3677777f5682510f13c66ef Patch Changed Reference Type https://git.kernel.org/stable/c/40617d45ea05535105e202a8a819e388a2b1f036 No Types Assigned https://git.kernel.org/stable/c/40617d45ea05535105e202a8a819e388a2b1f036 Patch Changed Reference Type https://git.kernel.org/stable/c/67e6707f07354ed1acb4e65552e97c60cf9d69cf No Types Assigned https://git.kernel.org/stable/c/67e6707f07354ed1acb4e65552e97c60cf9d69cf Patch Changed Reference Type https://git.kernel.org/stable/c/8dc15b0670594543c356567a1a45b0182ec63174 No Types Assigned https://git.kernel.org/stable/c/8dc15b0670594543c356567a1a45b0182ec63174 Patch Changed Reference Type https://git.kernel.org/stable/c/ab125ed3ec1c10ccc36bc98c7a4256ad114a3dae No Types Assigned https://git.kernel.org/stable/c/ab125ed3ec1c10ccc36bc98c7a4256ad114a3dae Patch Changed Reference Type https://git.kernel.org/stable/c/fc3e3c50a0a4cac1463967c110686189e4a59104 No Types Assigned https://git.kernel.org/stable/c/fc3e3c50a0a4cac1463967c110686189e4a59104 Patch Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.10.209 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11.0 up to (excluding) 5.15.148 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16.0 up to (excluding) 6.1.75 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (excluding) 6.6.14 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7.0 up to (excluding) 6.7.2 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 23, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: bpf: fix check for attempt to corrupt spilled pointer When register is spilled onto a stack as a 1/2/4-byte register, we set slot_type[BPF_REG_SIZE - 1] (plus potentially few more below it, depending on actual spill size). So to check if some stack slot has spilled register we need to consult slot_type[7], not slot_type[0]. To avoid the need to remember and double-check this in the future, just use is_spilled_reg() helper. Added Reference Linux https://git.kernel.org/stable/c/2757f17972d87773b3677777f5682510f13c66ef [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/67e6707f07354ed1acb4e65552e97c60cf9d69cf [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/fc3e3c50a0a4cac1463967c110686189e4a59104 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/8dc15b0670594543c356567a1a45b0182ec63174 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/40617d45ea05535105e202a8a819e388a2b1f036 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/ab125ed3ec1c10ccc36bc98c7a4256ad114a3dae [No types assigned]