Vulnerability Details : CVE-2017-17852
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging mishandling of 32-bit ALU ops.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2017-17852
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-17852
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-17852
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-17852
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The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-17852
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=468f6eafa6c44cb2c5d8aad35e12f06c240a812a
kernel/git/torvalds/linux.git - Linux kernel source treeVendor Advisory
-
https://github.com/torvalds/linux/commit/468f6eafa6c44cb2c5d8aad35e12f06c240a812a
bpf: fix 32-bit ALU op verification · torvalds/linux@468f6ea · GitHubPatch;Third Party Advisory
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http://www.openwall.com/lists/oss-security/2017/12/21/2
oss-security - Linux >=4.9: eBPF memory corruption bugsMailing List
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