CVE-2024-46676

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Source
https://cve.org/CVERecord?id=CVE-2024-46676
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-46676.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2024-46676
Downstream
Related
Published
2024-09-13T05:29:11Z
Modified
2026-08-12T03:30:29Z
Summary
nfc: pn533: Add poll mod list filling check
Details

In the Linux kernel, the following vulnerability has been resolved:

nfc: pn533: Add poll mod list filling check

In case of im_protocols value is 1 and tm_protocols value is 0 this combination successfully passes the check 'if (!im_protocols && !tm_protocols)' in the nfc_start_poll(). But then after pn533_poll_create_mod_list() call in pn533_start_poll() poll mod list will remain empty and dev->poll_mod_count will remain 0 which lead to division by zero.

Normally no im protocol has value 1 in the mask, so this combination is not expected by driver. But these protocol values actually come from userspace via Netlink interface (NFC_CMD_START_POLL operation). So a broken or malicious program may pass a message containing a "bad" combination of protocol parameter values so that dev->poll_mod_count is not incremented inside pn533_poll_create_mod_list(), thus leading to division by zero. Call trace looks like: nfc_genl_start_poll() nfc_start_poll() ->start_poll() pn533_start_poll()

Add poll mod list filling check.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Database specific 
{
    "cna_assigner":  "Linux",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/46xxx/CVE-2024-46676.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
dfccd0f580445d176acea174175b3e6518cc91f7
Fixed
c5e05237444f32f6cfe5d907603a232c77a08b31
Fixed
8ddaea033de051ed61b39f6b69ad54a411172b33
Fixed
7535db0624a2dede374c42040808ad9a9101d723
Fixed
7ecd3dd4f8eecd3309432156ccfe24768e009ec4
Fixed
56ad559cf6d87f250a8d203b555dfc3716afa946
Fixed
64513d0e546a1f19e390f7e5eba3872bfcbdacf5
Fixed
febccb39255f9df35527b88c953b2e0deae50e53

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-46676.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
3.12.0
Fixed
5.4.283
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.225
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.166
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.108
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.49
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.10.8

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-46676.json"