NFC: st21nfca: Fix memory leak in device probe and remove (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.23 % · percentile 13 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Modified
Description
In the Linux kernel, the following vulnerability has been resolved: NFC: st21nfca: Fix memory leak in device probe and remove 'phy->pending_skb' is alloced when device probe, but forgot to free in the error handling path and remove path, this cause memory leak as follows: unreferenced object 0xffff88800bc06800 (size 512): comm "8", pid 11775, jiffies 4295159829 (age 9.032s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000d66c09ce>] __kmalloc_node_track_caller+0x1ed/0x450 [<00000000c93382b3>] kmalloc_reserve+0x37/0xd0 [<000000005fea522c>] __alloc_skb+0x124/0x380 [<0000000019f29f9a>] st21nfca_hci_i2c_probe+0x170/0x8f2 Fix it by freeing 'pending_skb' in error and remove.
Weaknesses (CWE)
- CWE-401 — Missing Release of Memory after Effective Lifetime
References
- https://git.kernel.org/stable/c/38c3e320e7ff46f2dc67bc5045333e63d9f8918d
- https://git.kernel.org/stable/c/a1e0080a35a16ce3808f7040fe0c3a8fdb052349
- https://git.kernel.org/stable/c/1cd4063dbc91cf7965d73a6a3855e2028cd4613b
- https://git.kernel.org/stable/c/e553265ea56482da5700f56319fda9ff53e7dcb4
- https://git.kernel.org/stable/c/238920381b8925d070d32d73cd9ce52ab29896fe
- https://git.kernel.org/stable/c/1b9dadba502234eea7244879b8d5d126bfaf9f0c
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-2021-33572
- GCVE · GCVE-0-2021-46924
CERT-FR advisories
- CERTFR-2024-AVI-0265 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0242 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 3.16.0 < 4.14.261cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.15.0 < 4.19.224cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20.0 < 5.4.170cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5.0 < 5.10.90cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11.0 < 5.15.13
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 68957303f44a501af5cf37913208a2acaa6bcdf1 < 38c3e320e7ff46f2dc67bc5045333e63d9f8918d ; affected 68957303f44a501af5cf37913208a2acaa6bcdf1 < a1e0080a35a16ce3808f7040fe0c3a8fdb052349 ; affected 68957303f44a501af5cf37913208a2acaa6bcdf1 < 1cd4063dbc91cf7965d73a6a3855e2028cd4613b ; affected 68957303f44a501af5cf37913208a2acaa6bcdf1 < e553265ea56482da5700f56319fda9ff53e7dcb4 ; affected 68957303f44a501af5cf37913208a2acaa6bcdf1 < 238920381b8925d070d32d73cd9ce52ab29896fe ; affected 68957303f44a501af5cf37913208a2acaa6bcdf1 < 1b9dadba502234eea7244879b8d5d126bfaf9f0c |
| Linux · Linux | affected 3.16 ; unaffected 0 < 3.16 ; unaffected 4.14.261 ≤ 4.14.* ; unaffected 4.19.224 ≤ 4.19.* ; unaffected 5.4.170 ≤ 5.4.* ; unaffected 5.10.90 ≤ 5.10.* |
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 |