PT-2022-11362 · Tcpslice+5 · Tcpslice+5

C0Nstantine110 · Published 2022-01-05 · Updated 2025-07-31 · CVE-2021-41043

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions tcpslice (affected versions not specified)

Description The issue is related to a use after free in tcpslice, which triggers AddressSanitizer. There is no other confirmed impact.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2024:0769

ALSA-2024:2211

BDU:2025-16161

CESA-2024_0769

CVE-2021-41043

INFSA-2024_2211

RHSA-2024:0410

RHSA-2024:0571

RHSA-2024:0769

RHSA-2024:1090

RHSA-2024:2211

RHSA-2024_0769

RHSA-2024_2211

RLSA-2024:0769

Affected Products

Almalinux

Centos

Debian

Red Hat

Rocky Linux

Tcpslice

References · 27

• 🔥 https://github.com/the-tcpdump-group/tcpslice/issues/11 · Exploit
• https://ubuntu.com/security/CVE-2021-41043 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2024-2211.html · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2024:0769 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-41043 · Security Note
• https://osv.dev/vulnerability/ALSA-2024:0769 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2024:2211 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-41043 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-16161 · Security Note
• https://linux.oracle.com/errata/ELSA-2024-2211.html · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2024-0769.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2024-0769.html · Vendor Advisory
• https://osv.dev/vulnerability/RLSA-2024:0769 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-41043 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-41043 · Vendor Advisory