CVE-2022-1734 Use after free in kernel

High 7.0 Published Updated

A use-after-free flaw in the Linux Kernel NFC driver allows attackers to execute arbitrary code or escalate privileges via race conditions.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2022-1734?

CVE-2022-1734 is a high-severity use after free vulnerability in Debian Debian Linux, published on 18 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A flaw in Linux Kernel found in nfcmrvl_nci_unregister_dev() in drivers/nfc/nfcmrvl/main.c can lead to use after free both read or write when non synchronized between cleanup routine and firmware download routine.

Weakness: CWE-416

Which versions are affected by CVE-2022-1734?

It affects 10 products.

Linux distribution packages (37)
kgraft-patch-SLE12-SP4_Update_22 SUSE:Linux Enterprise Live Patching 12 SP4All versions15-2.2
kgraft-patch-SLE12-SP4_Update_23 SUSE:Linux Enterprise Live Patching 12 SP4All versions10-2.2
kgraft-patch-SLE12-SP4_Update_24 SUSE:Linux Enterprise Live Patching 12 SP4All versions6-2.2
kgraft-patch-SLE12-SP4_Update_25 SUSE:Linux Enterprise Live Patching 12 SP4All versions5-2.2
kgraft-patch-SLE12-SP4_Update_26 SUSE:Linux Enterprise Live Patching 12 SP4All versions4-2.2
kgraft-patch-SLE12-SP5_Update_20 SUSE:Linux Enterprise Live Patching 12 SP5All versions17-2.2
kgraft-patch-SLE12-SP5_Update_21 SUSE:Linux Enterprise Live Patching 12 SP5All versions16-2.2
kgraft-patch-SLE12-SP5_Update_22 SUSE:Linux Enterprise Live Patching 12 SP5All versions15-2.2
kgraft-patch-SLE12-SP5_Update_23 SUSE:Linux Enterprise Live Patching 12 SP5All versions13-2.2
kgraft-patch-SLE12-SP5_Update_24 SUSE:Linux Enterprise Live Patching 12 SP5All versions13-2.2
kgraft-patch-SLE12-SP5_Update_25 SUSE:Linux Enterprise Live Patching 12 SP5All versions11-2.2
kgraft-patch-SLE12-SP5_Update_26 SUSE:Linux Enterprise Live Patching 12 SP5All versions11-2.2
kgraft-patch-SLE12-SP5_Update_27 SUSE:Linux Enterprise Live Patching 12 SP5All versions9-2.2
kgraft-patch-SLE12-SP5_Update_28 SUSE:Linux Enterprise Live Patching 12 SP5All versions7-2.2
kgraft-patch-SLE12-SP5_Update_29 SUSE:Linux Enterprise Live Patching 12 SP5All versions6-2.2
kgraft-patch-SLE12-SP5_Update_30 SUSE:Linux Enterprise Live Patching 12 SP5All versions4-2.2
kgraft-patch-SLE12-SP5_Update_31 SUSE:Linux Enterprise Live Patching 12 SP5All versions2-2.2
kernel-livepatch-SLE15_Update_25 SUSE:Linux Enterprise Live Patching 15All versions15-150000.2.2
kernel-livepatch-SLE15_Update_26 SUSE:Linux Enterprise Live Patching 15All versions10-150000.2.2
kernel-livepatch-SLE15_Update_27 SUSE:Linux Enterprise Live Patching 15All versions6-150000.2.2
kernel-livepatch-SLE15_Update_28 SUSE:Linux Enterprise Live Patching 15All versions5-150000.2.2
kernel-livepatch-SLE15_Update_29 SUSE:Linux Enterprise Live Patching 15All versions4-150000.2.2
kernel-livepatch-SLE15-SP1_Update_26 SUSE:Linux Enterprise Live Patching 15 SP1All versions15-150100.2.2
kernel-livepatch-SLE15-SP1_Update_27 SUSE:Linux Enterprise Live Patching 15 SP1All versions10-150100.2.2
kernel-livepatch-SLE15-SP1_Update_28 SUSE:Linux Enterprise Live Patching 15 SP1All versions6-150100.2.2
kernel-livepatch-SLE15-SP1_Update_29 SUSE:Linux Enterprise Live Patching 15 SP1All versions5-150100.2.2
kernel-livepatch-SLE15-SP1_Update_30 SUSE:Linux Enterprise Live Patching 15 SP1All versions4-150100.2.2
kgraft-patch-SLE12-SP3_Update_40 SUSE:Linux Enterprise Server 12 SP3-LTSSAll versions14-2.2
kgraft-patch-SLE12-SP3_Update_41 SUSE:Linux Enterprise Server 12 SP3-LTSSAll versions10-2.2
kgraft-patch-SLE12-SP3_Update_42 SUSE:Linux Enterprise Server 12 SP3-LTSSAll versions6-2.2
kgraft-patch-SLE12-SP3_Update_43 SUSE:Linux Enterprise Server 12 SP3-LTSSAll versions5-2.2
kgraft-patch-SLE12-SP3_Update_44 SUSE:Linux Enterprise Server 12 SP3-LTSSAll versions4-2.2
kgraft-patch-SLE12-SP3_Update_40 SUSE:Linux Enterprise Server for SAP Applications 12 SP3All versions14-2.2
kgraft-patch-SLE12-SP3_Update_41 SUSE:Linux Enterprise Server for SAP Applications 12 SP3All versions10-2.2
kgraft-patch-SLE12-SP3_Update_42 SUSE:Linux Enterprise Server for SAP Applications 12 SP3All versions6-2.2
kgraft-patch-SLE12-SP3_Update_43 SUSE:Linux Enterprise Server for SAP Applications 12 SP3All versions5-2.2
kgraft-patch-SLE12-SP3_Update_44 SUSE:Linux Enterprise Server for SAP Applications 12 SP3All versions4-2.2

Products include Debian Debian Linux, Linux kernel, Netapp H300e Firmware, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware and 4 more.

How do I fix CVE-2022-1734?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2022-1734 being exploited?

There is no known exploitation of CVE-2022-1734 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as AZL-9816, DEBIAN-CVE-2022-1734, GHSA-hpjj-93mm-g6f7, SUSE-SU-2022:2194-1, SUSE-SU-2022:2195-1, SUSE-SU-2022:2206-1 and 5 more.

Is CVE-2022-1734 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free