nfc: nfcmrvl: Fix memory leak in nfcmrvl_play_deferred
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-401.
Summary
In the Linux kernel, the following vulnerability has been resolved: nfc: nfcmrvl: Fix memory leak in nfcmrvl_play_deferred Similar to the handling of play_deferred in commit 19cfe912c37b ("Bluetooth: btusb: Fix memory leak in play_deferred"), we thought a patch might be needed here as well. Currently usb_submit_urb is called directly to submit deferred tx urbs after unanchor them. So the usb_giveback_urb_bh would failed to unref it in usb_unanchor_urb and cause memory leak. Put those urbs in tx_anchor to avoid the leak, and also fix the error handling.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 3.14 and later | 4.9.320, 4.14.285, 4.19.249, 5.4.200, 5.10.124, 5.15.49, 5.18.6, 5.19 | Patch available | CNA |
- Linux VendorLinux Affected 3.14 and later Fixed in 4.9.320, 4.14.285, 4.19.249, 5.4.200, 5.10.124, 5.15.49, 5.18.6, 5.19 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 4.9.320; 4.10 to before 4.14.285; 4.15 to before 4.19.249; 4.20 to before 5.4.200; 5.5 to before 5.10.124; 5.11 to before 5.15.49; 5.16 to before 5.18.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* | 5.19 rc1 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.9.320; 4.10 to before 4.14.285; 4.15 to before 4.19.249; 4.20 to before 5.4.200; 5.5 to before 5.10.124; 5.11 to before 5.15.49; 5.16 to before 5.18.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* Versions 5.19 rc1 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.9.320, 4.14.285, 4.19.249, 5.4.200, 5.10.124, 5.15.49, 5.18.6, 5.19
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-49729
- 2026-10-03 Alias added: GHSA-53hj-g53q-mpcc
References
Patch 8
- https://git.kernel.org/stable/c/1eb0afecfb9cd0f38424b82bd9aaa542310934ee
- https://git.kernel.org/stable/c/f21f908347712b8288ffe83b531b5e977042b29c
- https://git.kernel.org/stable/c/3e7c7df6991ac349f2fa8540047757df666e610f
- https://git.kernel.org/stable/c/6b4d8b44e7163a77fe942f5b80e1651c1b78c537
- https://git.kernel.org/stable/c/0eeec1a8b0cd38c47edeb042980a6aeacecf35ed
- https://git.kernel.org/stable/c/6616872cfe7f0474a22dd1f12699f95bcf81a54d
- https://git.kernel.org/stable/c/3eadc560c1919b8193d17334145dad9a917960e4
- https://git.kernel.org/stable/c/8a4d480702b71184fabcf379b80bf7539716752e
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Sources
- CVE-2022-49729 · CVE Program
- CVE-2022-49729 · NVD
- FIRST EPSS
- GHSA-53hj-g53q-mpcc · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49729 · Red Hat security data · CC BY 4.0
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