Veracode Vulnerability DatabaseVERACODE:40477Use-After-Free
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.3 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
5.3%
linux-lts is vulnerable to Use-After-Free. The vulnerability occurs within the netfilter ‘nf_tables’ when processing batch requests. This can be abused and used to perform arbitrary read and write operations on to the kernel memory.
References
packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
www.openwall.com/lists/oss-security/2023/05/15/5
bugzilla.redhat.com/show_bug.cgi?id=2196105
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1592a89942e9678f7d9c8030efa777c0d57edab
github.com/torvalds/linux/commit/c1592a89942e9678f7d9c8030efa777c0d57edab
lists.debian.org/debian-lts-announce/2023/06/msg00008.html
lists.debian.org/debian-lts-announce/2023/07/msg00030.html
news.ycombinator.com/item?id=35879660
secdb.alpinelinux.org/edge/main.yaml
secdb.alpinelinux.org/v3.18/main.yaml
security.netapp.com/advisory/ntap-20230616-0002/
www.debian.org/security/2023/dsa-5402
www.openwall.com/lists/oss-security/2023/05/08/4
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.3 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
5.3%