CVE-2022-49158 scsi: qla2xxx: Fix warning message due to adisc being flushed
A warning message in the qla2xxx SCSI driver can be triggered during device removal, potentially leading to system instability or denial of service.
- 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-2022-49158?
CVE-2022-49158 is a medium-severity denial of service vulnerability in Linux kernel, published on 26 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
scsi: qla2xxx: Fix warning message due to adisc being flushed
Fix warning message due to adisc being flushed. Linux kernel triggered a warning message where a different error code type is not matching up with the expected type. Add additional translation of one error code type to another.
WARNING: CPU: 2 PID: 1131623 at drivers/scsi/qla2xxx/qla_init.c:498 qla2x00_async_adisc_sp_done+0x294/0x2b0 [qla2xxx] CPU: 2 PID: 1131623 Comm: drmgr Not tainted 5.13.0-rc1-autotest #1 .. GPR28: c000000aaa9c8890 c0080000079ab678 c00000140a104800 c00000002bd19000 NIP [c00800000790857c] qla2x00_async_adisc_sp_done+0x294/0x2b0 [qla2xxx] LR [c008000007908578] qla2x00_async_adisc_sp_done+0x290/0x2b0 [qla2xxx] Call Trace: [c00000001cdc3620] [c008000007908578] qla2x00_async_adisc_sp_done+0x290/0x2b0 [qla2xxx] (unreliable) [c00000001cdc3710] [c0080000078f3080] __qla2x00_abort_all_cmds+0x1b8/0x580 [qla2xxx] [c00000001cdc3840] [c0080000078f589c] qla2x00_abort_all_cmds+0x34/0xd0 [qla2xxx] [c00000001cdc3880] [c0080000079153d8] qla2x00_abort_isp_cleanup+0x3f0/0x570 [qla2xxx] [c00000001cdc3920] [c0080000078fb7e8] qla2x00_remove_one+0x3d0/0x480 [qla2xxx] [c00000001cdc39b0] [c00000000071c274] pci_device_remove+0x64/0x120 [c00000001cdc39f0] [c0000000007fb818] device_release_driver_internal+0x168/0x2a0 [c00000001cdc3a30] [c00000000070e304] pci_stop_bus_device+0xb4/0x100 [c00000001cdc3a70] [c00000000070e4f0] pci_stop_and_remove_bus_device+0x20/0x40 [c00000001cdc3aa0] [c000000000073940] pci_hp_remove_devices+0x90/0x130 [c00000001cdc3b30] [c0080000070704d0] disable_slot+0x38/0x90 [rpaphp] [ c00000001cdc3b60] [c00000000073eb4c] power_write_file+0xcc/0x180 [c00000001cdc3be0] [c0000000007354bc] pci_slot_attr_store+0x3c/0x60 [c00000001cdc3c00] [c00000000055f820] sysfs_kf_write+0x60/0x80 [c00000001cdc3c20] [c00000000055df10] kernfs_fop_write_iter+0x1a0/0x290 [c00000001cdc3c70] [c000000000447c4c] new_sync_write+0x14c/0x1d0 [c00000001cdc3d10] [c00000000044b134] vfs_write+0x224/0x330 [c00000001cdc3d60] [c00000000044b3f4] ksys_write+0x74/0x130 [c00000001cdc3db0] [c00000000002df70] system_call_exception+0x150/0x2d0 [c00000001cdc3e10] [c00000000000d45c] system_call_common+0xec/0x278
Weakness: CWE-617
Which versions are affected by CVE-2022-49158?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49158?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-49158 being exploited?
There is no known exploitation of CVE-2022-49158 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49158, GHSA-r2jp-4c5p-2vc2, ROOT-OS-DEBIAN-11-CVE-2022-49158, UBUNTU-CVE-2022-49158.