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CVE-2022-27666
Detail
Description
A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
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OR
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Changed
Reference Type
https://www.debian.org/security/2022/dsa-5173 No Types Assigned
https://www.debian.org/security/2022/dsa-5173 Third Party Advisory
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.17
*cpe:2.3:o:linux:linux_kernel:5.17:-:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.17:rc6:*:*:*:*:*:*
*cpe:2.3:o:linux:li
Added
CVSS V2
NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Added
CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added
CWE
NIST CWE-787
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=2061633 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=2061633 Issue Tracking, Patch, Third Party Advisory
Changed
Reference Type
https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645 No Types Assigned
https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645 Patch, Third Party Advisory
CVE Modified by MITRE3/25/2022 3:15:11 PM
Action
Type
Old Value
New Value
Changed
Description
In the Linux kernel before 5.16.15, there is a buffer overflow in ESP transformation in net/ipv4/esp4.c and net/ipv6/esp6.c via a large message. In some configurations, local users can gain privileges by overwriting kernel heap objects.
A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.
In the Linux kernel before 5.16.15, there is a buffer overflow in ESP transformation in net/ipv4/esp4.c and net/ipv6/esp6.c via a large message.
In the Linux kernel before 5.16.15, there is a buffer overflow in ESP transformation in net/ipv4/esp4.c and net/ipv6/esp6.c via a large message. In some configurations, local users can gain privileges by overwriting kernel heap objects.
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