net: cdc_eem: fix tx fixup skb leak (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.23 % · percentile 14 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Analyzed
Description
In the Linux kernel, the following vulnerability has been resolved: net: cdc_eem: fix tx fixup skb leak when usbnet transmit a skb, eem fixup it in eem_tx_fixup(), if skb_copy_expand() failed, it return NULL, usbnet_start_xmit() will have no chance to free original skb. fix it by free orginal skb in eem_tx_fixup() first, then check skb clone status, if failed, return NULL to usbnet.
Weaknesses (CWE)
- CWE-401 — Missing Release of Memory after Effective Lifetime
References
- https://git.kernel.org/stable/c/f12554b0ff639e74612cc01b3b4a049e098d2d65
- https://git.kernel.org/stable/c/14184ec5c958b589ba934da7363a2877879204df
- https://git.kernel.org/stable/c/1bcacd6088d61c0ac6a990d87975600a81f3247e
- https://git.kernel.org/stable/c/f4e6a7f19c82f39b1803e91c54718f0d7143767d
- https://git.kernel.org/stable/c/81de2ed06df8b5451e050fe6a318af3263dbff3f
- https://git.kernel.org/stable/c/05b2b9f7d24b5663d9b47427fe1555bdafd3ea02
- https://git.kernel.org/stable/c/b4f7a9fc9d094c0c4a66f2ad7c37b1dbe9e78f88
- https://git.kernel.org/stable/c/c3b26fdf1b32f91c7a3bc743384b4a298ab53ad7
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-2021-33884
- GCVE · GCVE-0-2021-47236
CERT-FR advisories
- CERTFR-2026-AVI-1165 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0529 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0903 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0741 — Multiples vulnérabilités dans Juniper Secure Analytics · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0720 — Multiples vulnérabilités dans IBM QRadar SIEM · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0577 — Multiples vulnérabilités dans le noyau Linux de Red Hat · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0526 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0496 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 2.6.30 < 4.4.274cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.5 < 4.9.274cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.10 < 4.14.238cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.15 < 4.19.196cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20 < 5.4.128cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5 < 5.10.46cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.12.13cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.13:rc6:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 9f722c0978b04acba209f8ca1896ad05814bc3a3 < f12554b0ff639e74612cc01b3b4a049e098d2d65 ; affected 9f722c0978b04acba209f8ca1896ad05814bc3a3 < 14184ec5c958b589ba934da7363a2877879204df ; affected 9f722c0978b04acba209f8ca1896ad05814bc3a3 < 1bcacd6088d61c0ac6a990d87975600a81f3247e ; affected 9f722c0978b04acba209f8ca1896ad05814bc3a3 < f4e6a7f19c82f39b1803e91c54718f0d7143767d ; affected 9f722c0978b04acba209f8ca1896ad05814bc3a3 < 81de2ed06df8b5451e050fe6a318af3263dbff3f ; affected 9f722c0978b04acba209f8ca1896ad05814bc3a3 < 05b2b9f7d24b5663d9b47427fe1555bdafd3ea02 |
| Linux · Linux | affected 2.6.30 ; unaffected 0 < 2.6.30 ; unaffected 4.4.274 ≤ 4.4.* ; unaffected 4.9.274 ≤ 4.9.* ; unaffected 4.14.238 ≤ 4.14.* ; unaffected 4.19.196 ≤ 4.19.* |
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 |