Vulnerability Details : CVE-2023-40791
extract_user_to_sg in lib/scatterlist.c in the Linux kernel before 6.4.12 fails to unpin pages in a certain situation, as demonstrated by a WARNING for try_grab_page.
Products affected by CVE-2023-40791
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-40791
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-40791
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.3
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H |
1.0
|
5.2
|
NIST | 2024-01-04 |
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
3.9
|
5.2
|
NIST |
References for CVE-2023-40791
-
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f443fd5af5dbd531f880d3645d5dd36976cf087f
kernel/git/torvalds/linux.git - Linux kernel source treeMailing List;Patch
-
https://lkml.org/lkml/2023/8/3/323
LKML: Yikebaer Aizezi: WARNING in try_grab_pageExploit;Mailing List;Third Party Advisory
-
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12
Release Notes
-
https://security.netapp.com/advisory/ntap-20231110-0009/
CVE-2023-40791 Linux Kernel Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/
[PATCH] crypto, cifs: Fix error handling in extract_iter_to_sg() - David HowellsMailing List;Patch
-
https://lore.kernel.org/linux-crypto/20571.1690369076@warthog.procyon.org.uk/
[PATCH] crypto, cifs: Fix error handling in extract_iter_to_sg() - David HowellsMailing List;Vendor Advisory
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