CVE-2023-52880: tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc
First published: Fri May 24 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc Any unprivileged user can attach N_GSM0710 ldisc, but it requires CAP_NET_ADMIN to create a GSM network anyway. Require initial namespace CAP_NET_ADMIN to do that.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.19.312 | 4.19.312 |
| redhat/kernel | <5.4.274 | 5.4.274 |
| redhat/kernel | <5.10.215 | 5.10.215 |
| redhat/kernel | <5.15.155 | 5.15.155 |
| redhat/kernel | <6.1.86 | 6.1.86 |
| redhat/kernel | <6.6 | 6.6 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.10-1 6.12.11-1 | |
| F5 Traffix Systems Signaling Delivery Controller | =5.2 |
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Reference Links
- https://git.kernel.org/stable/c/2b85977977cbd120591b23c2450e90a5806a7167
- https://git.kernel.org/stable/c/2d154a54c58f9c8375bfbea9f7e51ba3bfb2e43a
- https://git.kernel.org/stable/c/67c37756898a5a6b2941a13ae7260c89b54e0d88
- https://git.kernel.org/stable/c/7a529c9023a197ab3bf09bb95df32a3813f7ba58
- https://git.kernel.org/stable/c/7d303dee473ba3529d75b63491e9963342107bed
- https://git.kernel.org/stable/c/ada28eb4b9561aab93942f3224a2e41d76fe57fa
- https://launchpad.net/bugs/cve/CVE-2023-52880
- https://access.redhat.com/security/cve/CVE-2023-52880
- https://lore.kernel.org/linux-cve-announce/2024052422-CVE-2023-52880-d2ff@gregkh/T
- https://access.redhat.com/errata/RHSA-2024:5928
- https://access.redhat.com/errata/RHSA-2024:6745
- https://access.redhat.com/errata/RHSA-2024:6744
- https://bugzilla.redhat.com/show_bug.cgi?id=2283468
- https://my.f5.com/manage/s/article/K000145124
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52880
- https://nvd.nist.gov/vuln/detail/CVE-2023-52880
- https://security-tracker.debian.org/tracker/CVE-2023-52880
- https://ubuntu.com/security/CVE-2023-52880
- https://git.kernel.org/linus/67c37756898a5a6b2941a13ae7260c89b54e0d88
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