CVE-2021-47612
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
nfc: fix segfault in nfc_genl_dump_devices_done
In the Linux kernel, the following vulnerability has been resolved: nfc: fix segfault in nfc_genl_dump_devices_done When kmalloc in nfc_genl_dump_devices() fails then nfc_genl_dump_devices_done() segfaults as below KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: 25 Comm: kworker/0:1 Not tainted 5.16.0-rc4-01180-g2a987e65025e-dirty #5 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-6.fc35 04/01/2014 Workqueue: events netlink_sock_destruct_work RIP: 0010:klist_iter_exit+0x26/0x80 Call Trace: <TASK> class_dev_iter_exit+0x15/0x20 nfc_genl_dump_devices_done+0x3b/0x50 genl_lock_done+0x84/0xd0 netlink_sock_destruct+0x8f/0x270 __sk_destruct+0x64/0x3b0 sk_destruct+0xa8/0xd0 __sk_free+0x2e8/0x3d0 sk_free+0x51/0x90 netlink_sock_destruct_work+0x1c/0x20 process_one_work+0x411/0x710 worker_thread+0x6fd/0xa80
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 | affected | git | ea55b3797878752aa076b118afb727dcf79cac34 | Unavailable | None listed |
| 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 | affected | git | 214af18abbe39db05beb305b2d11e87d09a6529c | Unavailable | None listed |
| 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 | affected | git | 6644989642844de830f9b072cd65c553cb55946c | Unavailable | None listed |
| 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 | affected | git | 2a8845b9603c545fddd17862282dc4c4ce0971e3 | Unavailable | None listed |
| 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 | affected | git | d731ecc6f2eaec68f4ad1542283bbc7d07bd0112 | Unavailable | None listed |
| 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 | affected | git | c602863ad28ec86794cb4ab4edea5324f555f181 | Unavailable | None listed |
| 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 | affected | git | d89e4211b51752daf063d638af50abed2fd5f96d | Unavailable | None listed |
| 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 | affected | git | fd79a0cbf0b2e34bcc45b13acf962e2032a82203 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 3.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.1 | Unavailable | None listed |
| 4.4.296 | unaffected | semver | Unavailable | 4.4.* | None listed |
| 4.9.294 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.259 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.222 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.167 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.87 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.10 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.16 | unaffected | original_commit_for_fix | Unavailable | * | None listed |