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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2021-33910

basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.

CVSS 5.5 · MediumBuzz score 17.5

Buzz score

Why this CVE is surfacing

Buzz score total 17.5

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 11.0 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
11.0
2 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
2 source links · newest first
  • LPE flaw in Linux kernel allows attackers to get root privileges on most distrosSecurity Affairs

    Experts discovered a Local Privilege Escalation, tracked as CVE-2021-33909, that could allow attackers to get root access on most Linux distros. Qualys researchers discovered a local privilege escalation (LPE) tracked as CVE-2021-33909, aka Sequoia, an unprivileged attacker can exploit the flaw to get root privileges on most Linux distros. The issue is a size_t-to-int type […]

    newssecurityaffairs.comJul 21, 2021, 5:27 AM
  • Researchers flag 7-years-old privilege escalation flaw in Linux kernel (CVE-2021-33909)Help Net Security

    A vulnerability (CVE-2021-33909) in the Linux kernel’s filesystem layer that may allow local, unprivileged attackers to gain root privileges on a vulnerable host has been unearthed by researchers. “Qualys security researchers have been able to independently verify the vulnerability, develop an exploit, and obtain full root privileges on default installations of Ubuntu 20.04, Ubuntu 20.10, Ubuntu 21.04, Debian 11, and Fedora 34 Workstation. Other Linux distributions are likely vulnerable and probably exploitable,” said Bharat Jogi, … More →

    newswww.helpnetsecurity.comJul 20, 2021, 4:26 PM

Exploit code

Public exploit repository references

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0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

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