net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.23 % · percentile 14 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Modified
Description
In the Linux kernel, the following vulnerability has been resolved: net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket When using a BPF program on kernel_connect(), the call can return -EPERM. This causes xs_tcp_setup_socket() to loop forever, filling up the syslog and causing the kernel to potentially freeze up. Neil suggested: This will propagate -EPERM up into other layers which might not be ready to handle it. It might be safer to map EPERM to an error we would be more likely to expect from the network system - such as ECONNREFUSED or ENETDOWN. ECONNREFUSED as error seems reasonable. For programs setting a different error can be out of reach (see handling in 4fbac77d2d09) in particular on kernels which do not have f10d05966196 ("bpf: Make BPF_PROG_RUN_ARRAY return -err instead of allow boolean"), thus given that it is better to simply remap for consistent behavior. UDP does handle EPERM in xs_udp_send_request().
Weaknesses (CWE)
- CWE-835 — Loop with Unreachable Exit Condition
References
- https://git.kernel.org/stable/c/bc790261218952635f846aaf90bcc0974f6f62c6
- https://git.kernel.org/stable/c/934247ea65bc5eca8bdb7f8c0ddc15cef992a5d6
- https://git.kernel.org/stable/c/02ee1976edb21a96ce8e3fd4ef563f14cc16d041
- https://git.kernel.org/stable/c/5d8254e012996cee1a0f9cc920531cb7e4d9a011
- https://git.kernel.org/stable/c/f2431e7db0fe0daccb2f06bb0d23740affcd2fa6
- https://git.kernel.org/stable/c/d6c686c01c5f12ff8f7264e0ddf71df6cb0d4414
- https://git.kernel.org/stable/c/f388cfd913a2b96c05339a335f365795db1b36b6
- https://git.kernel.org/stable/c/626dfed5fa3bfb41e0dffd796032b555b69f9cde
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2024-39469
- GCVE · GCVE-0-2024-42246
CERT-FR advisories
- CERTFR-2026-AVI-1165 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0022 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0021 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0002 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2024-AVI-1080 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2024-AVI-1013 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0997 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0957 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0872 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0840 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0822 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0821 — Multiples vulnérabilités dans le noyau Linux de Red Hat · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0800 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0798 — Multiples vulnérabilités dans le noyau Linux de Red Hat · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0779 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.17 < 6.1.100cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.2 < 6.6.41cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.7 < 6.9.10
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 4fbac77d2d092b475dda9eea66da674369665427 < bc790261218952635f846aaf90bcc0974f6f62c6 ; affected 4fbac77d2d092b475dda9eea66da674369665427 < 934247ea65bc5eca8bdb7f8c0ddc15cef992a5d6 ; affected 4fbac77d2d092b475dda9eea66da674369665427 < 02ee1976edb21a96ce8e3fd4ef563f14cc16d041 ; affected 4fbac77d2d092b475dda9eea66da674369665427 < 5d8254e012996cee1a0f9cc920531cb7e4d9a011 ; affected 4fbac77d2d092b475dda9eea66da674369665427 < f2431e7db0fe0daccb2f06bb0d23740affcd2fa6 ; affected 4fbac77d2d092b475dda9eea66da674369665427 < d6c686c01c5f12ff8f7264e0ddf71df6cb0d4414 |
| Linux · Linux | affected 4.17 ; unaffected 0 < 4.17 ; unaffected 4.19.322 ≤ 4.19.* ; unaffected 5.4.284 ≤ 5.4.* ; unaffected 5.10.226 ≤ 5.10.* ; unaffected 5.15.167 ≤ 5.15.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |