Ubuntu.comUB:CVE-2023-40791CVE-2023-40791
6.3 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
0.0004 Low
EPSS
Percentile
5.1%
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.
Bugs
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 24.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-azure | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-gcp | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-gke | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-ibm | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-lowlatency | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-nvidia | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-oracle | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-raspi | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-riscv | < any | UNKNOWN |
References
cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12
git.kernel.org/linus/f443fd5af5dbd531f880d3645d5dd36976cf087f
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f443fd5af5dbd531f880d3645d5dd36976cf087f
launchpad.net/bugs/cve/CVE-2023-40791
lkml.org/lkml/2023/8/3/323
lore.kernel.org/linux-crypto/[email protected]/
lore.kernel.org/linux-mm/[email protected]/
nvd.nist.gov/vuln/detail/CVE-2023-40791
security-tracker.debian.org/tracker/CVE-2023-40791
www.cve.org/CVERecord?id=CVE-2023-40791
Related
6.3 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
0.0004 Low
EPSS
Percentile
5.1%