CVE-2022-49176
published 2025-02-26CVE-2022-49176: In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfq_dispatch_request KASAN reports a use-after-free report when…
PriorityP339high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.27%
19.5th percentile
In the Linux kernel, the following vulnerability has been resolved:
bfq: fix use-after-free in bfq_dispatch_request
KASAN reports a use-after-free report when doing normal scsi-mq test
[69832.239032] ==================================================================
[69832.241810] BUG: KASAN: use-after-free in bfq_dispatch_request+0x1045/0x44b0
[69832.243267] Read of size 8 at addr ffff88802622ba88 by task kworker/3:1H/155
[69832.244656]
[69832.245007] CPU: 3 PID: 155 Comm: kworker/3:1H Not tainted 5.10.0-10295-g576c6382529e #8
[69832.246626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
[69832.249069] Workqueue: kblockd blk_mq_run_work_fn
[69832.250022] Call Trace:
[69832.250541] dump_stack+0x9b/0xce
[69832.251232] ? bfq_dispatch_request+0x1045/0x44b0
[69832.252243] print_address_description.constprop.6+0x3e/0x60
[69832.253381] ? __cpuidle_text_end+0x5/0x5
[69832.254211] ? vprintk_func+0x6b/0x120
[69832.254994] ? bfq_dispatch_request+0x1045/0x44b0
[69832.255952] ? bfq_dispatch_request+0x1045/0x44b0
[69832.256914] kasan_report.cold.9+0x22/0x3a
[69832.257753] ? bfq_dispatch_request+0x1045/0x44b0
[69832.258755] check_memory_region+0x1c1/0x1e0
[69832.260248] bfq_dispatch_request+0x1045/0x44b0
[69832.261181] ? bfq_bfqq_expire+0x2440/0x2440
[69832.262032] ? blk_mq_delay_run_hw_queues+0xf9/0x170
[69832.263022] __blk_mq_do_dispatch_sched+0x52f/0x830
[69832.264011] ? blk_mq_sched_request_inserted+0x100/0x100
[69832.265101] __blk_mq_sched_dispatch_requests+0x398/0x4f0
[69832.266206] ? blk_mq_do_dispatch_ctx+0x570/0x570
[69832.267147] ? __switch_to+0x5f4/0xee0
[69832.267898] blk_mq_sched_dispatch_requests+0xdf/0x140
[69832.268946] __blk_mq_run_hw_queue+0xc0/0x270
[69832.269840] blk_mq_run_work_fn+0x51/0x60
[69832.278170] process_one_work+0x6d4/0xfe0
[69832.278984] worker_thread+0x91/0xc80
[69832.279726] ? __kthread_parkme+0xb0/0x110
[69832.280554] ? process_one_work+0xfe0/0xfe0
[69832.281414] kthread+0x3
Affected
20 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.17.3-1 (bookworm) | linux 5.17.3-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= aee69d78dec0ffdf82e35d57c626e80dddc314d5 < 74e610b5ee0d95e751280567100509eb11517efa | 74e610b5ee0d95e751280567100509eb11517efa |
| linux | linux | >= aee69d78dec0ffdf82e35d57c626e80dddc314d5 < 5117c9ff4c2ebae0f5c2c262d42a25a8fbc086e6 | 5117c9ff4c2ebae0f5c2c262d42a25a8fbc086e6 |
| linux | linux | >= aee69d78dec0ffdf82e35d57c626e80dddc314d5 < df6e00b1a53c57dca82c63b5ecbcad5452231bc7 | df6e00b1a53c57dca82c63b5ecbcad5452231bc7 |
| linux | linux | >= aee69d78dec0ffdf82e35d57c626e80dddc314d5 < 080665e2c3cbfc68359b9a348a3546ed9b908e7a | 080665e2c3cbfc68359b9a348a3546ed9b908e7a |
| linux | linux | >= aee69d78dec0ffdf82e35d57c626e80dddc314d5 < 5687958bf18f84384d809f521210d0f5deed03b0 | 5687958bf18f84384d809f521210d0f5deed03b0 |
| linux | linux | >= aee69d78dec0ffdf82e35d57c626e80dddc314d5 < 40b4ba0030e0b02cbacd424ebb9f4c8b0976c786 | 40b4ba0030e0b02cbacd424ebb9f4c8b0976c786 |
| linux | linux | >= aee69d78dec0ffdf82e35d57c626e80dddc314d5 < ab552fcb17cc9e4afe0e4ac4df95fc7b30e8490a | ab552fcb17cc9e4afe0e4ac4df95fc7b30e8490a |
| linux | linux_kernel | < 4.19.238 | 4.19.238 |
| linux | linux_kernel | >= 0 < 5.10.113-1 | 5.10.113-1 |
| linux | linux_kernel | >= 0 < 5.17.3-1 | 5.17.3-1 |
| linux | linux_kernel | >= 0 < 5.17.3-1 | 5.17.3-1 |
| linux | linux_kernel | >= 0 < 5.17.3-1 | 5.17.3-1 |
| linux | linux_kernel | >= 0 < 4.15.0-239.251 | 4.15.0-239.251 |
| linux | linux_kernel | >= 4.20 < 5.4.189 | 5.4.189 |
| linux | linux_kernel | >= 5.11 < 5.15.33 | 5.15.33 |
| linux | linux_kernel | >= 5.16 < 5.16.19 | 5.16.19 |
| linux | linux_kernel | >= 5.17 < 5.17.2 | 5.17.2 |
| linux | linux_kernel | >= 5.5 < 5.10.110 | 5.10.110 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
vendor_ubuntu7.8HIGH
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OSV
linux-fips, linux-aws-fips, linux-azure-fips, linux-gcp-fips vulnerabilities
osv·2025-07-08·CVSS 7.8
CVE-2025-37932 [HIGH] linux-fips, linux-aws-fips, linux-azure-fips, linux-gcp-fips vulnerabilities
linux-fips, linux-aws-fips, linux-azure-fips, linux-gcp-fips vulnerabilities
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- PowerPC architecture;
- Block layer subsystem;
- ACPI drivers;
- NILFS2 file system;
- File systems infrastructure;
- Memory management;
- Network traffic control;
- USB sound devices;
(CVE-2025-37932, CVE-2024-53197, CVE-2024-50116, CVE-2021-47379,
CVE-2024-49958, CVE-2022-49179, CVE-2024-46787, CVE-2024-41070,
CVE-2025-38000, CVE-2024-56662, CVE-2022-49176, CVE-2025-37798)
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities
osv·2025-07-08·CVSS 7.8
[HIGH] linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- PowerPC architecture;
- Block layer subsystem;
- ACPI drivers;
- NILFS2 file system;
- File systems infrastructure;
- Memory management;
- Network traffic control;
- USB sound devices;
(CVE-2025-37932, CVE-2024-53197, CVE-2024-50116, CVE-2021-47379,
CVE-2024-49958, CVE-2022-49179, CVE-2024-46787, CVE-2024-41070,
CVE-2025-38000, CVE-2024-56662, CVE-2022-49176, CVE-2025-37798)
GHSA
GHSA-95jr-p4jm-v55x: In the Linux kernel, the following vulnerability has been resolved:
bfq: fix use-after-free in bfq_dispatch_request
KASAN reports a use-after-free r
ghsa_unreviewed·2025-02-27
CVE-2022-49176 [HIGH] CWE-416 GHSA-95jr-p4jm-v55x: In the Linux kernel, the following vulnerability has been resolved:
bfq: fix use-after-free in bfq_dispatch_request
KASAN reports a use-after-free r
In the Linux kernel, the following vulnerability has been resolved:
bfq: fix use-after-free in bfq_dispatch_request
KASAN reports a use-after-free report when doing normal scsi-mq test
[69832.239032] ==================================================================
[69832.241810] BUG: KASAN: use-after-free in bfq_dispatch_request+0x1045/0x44b0
[69832.243267] Read of size 8 at addr ffff88802622ba88 by task kworker/3:1H/155
[69832.244656]
[69832.245007] CPU: 3 PID: 155 Comm: kworker/3:1H Not tainted 5.10.0-10295-g576c6382529e #8
[69832.246626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
[69832.249069] Workqueue: kblockd blk_mq_run_work_fn
[69832.250022] Call Trace:
[69832.250541] dump_stack+0x9b/0xce
[69832.251232] ?
OSV
CVE-2022-49176: In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfq_dispatch_request KASAN reports a use-after-free rep
osv·2025-02-26·CVSS 7.8
CVE-2022-49176 [HIGH] CVE-2022-49176: In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfq_dispatch_request KASAN reports a use-after-free rep
In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfq_dispatch_request KASAN reports a use-after-free report when doing normal scsi-mq test [69832.239032] ================================================================== [69832.241810] BUG: KASAN: use-after-free in bfq_dispatch_request+0x1045/0x44b0 [69832.243267] Read of size 8 at addr ffff88802622ba88 by task kworker/3:1H/155 [69832.244656] [69832.245007] CPU: 3 PID: 155 Comm: kworker/3:1H Not tainted 5.10.0-10295-g576c6382529e #8 [69832.246626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [69832.249069] Workqueue: kblockd blk_mq_run_work_fn [69832.250022] Call Trace: [69832.250541] dump_stack+0x9b/0xce [69832.251232] ? bf
Ubuntu
Kernel Live Patch Security Notice
vendor_ubuntu·2025-08-18
CVE-2022-49176 Kernel Live Patch Security Notice
Title: Kernel Live Patch Security Notice
Summary: Several security issues were fixed in the kernel.
In the Linux kernel, the following vulnerability has been
resolved: bfq: fix use-after-free in bfq_dispatch_request KASAN reports a
use-after-free report when doing normal scsi-mq test .
In the Linux kernel, the following vulnerability has been
resolved: block, bfq: don't move oom_bfqq Our test report a UAF: .
In the Linux kernel, the following vulnerability has been
resolved: Bluetooth: L2CAP: fix use-after-free in l2cap_conn_del() When
l2cap_recv_frame() is invoked to receive data, and the cid is
L2CAP_CID_A2MP, if the channel does not exist, it will create a channel.
However, after a channel is created, the hold operation of the channel is
not performed.
In the Linux kernel, the foll
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2025-07-08·CVSS 7.8
CVE-2024-41070 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- PowerPC architecture;
- Block layer subsystem;
- ACPI drivers;
- NILFS2 file system;
- File systems infrastructure;
- Memory management;
- Network traffic control;
- USB sound devices;
(CVE-2025-37932, CVE-2024-53197, CVE-2024-50116, CVE-2021-47379,
CVE-2024-49958, CVE-2022-49179, CVE-2024-46787, CVE-2024-41070,
CVE-2025-38000, CVE-2024-56662, CVE-2022-49176, CVE-2025-37798)
Instructions: After a standard system update you need to reboot your computer to make
all the necessary changes.
ATTENTION: Due to an u
Ubuntu
Linux kernel (FIPS) vulnerabilities
vendor_ubuntu·2025-07-08·CVSS 7.8
CVE-2024-41070 [HIGH] Linux kernel (FIPS) vulnerabilities
Title: Linux kernel (FIPS) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- PowerPC architecture;
- Block layer subsystem;
- ACPI drivers;
- NILFS2 file system;
- File systems infrastructure;
- Memory management;
- Network traffic control;
- USB sound devices;
(CVE-2025-37932, CVE-2024-53197, CVE-2024-50116, CVE-2021-47379,
CVE-2024-49958, CVE-2022-49179, CVE-2024-46787, CVE-2024-41070,
CVE-2025-38000, CVE-2024-56662, CVE-2022-49176, CVE-2025-37798)
Instructions: After a standard system update you need to reboot your computer to make
all the necessary changes.
ATTENTION: Due
Red Hat
kernel: bfq: fix use-after-free in bfq_dispatch_request
vendor_redhat·2025-02-26·CVSS 7.8
CVE-2022-49176 [HIGH] kernel: bfq: fix use-after-free in bfq_dispatch_request
kernel: bfq: fix use-after-free in bfq_dispatch_request
In the Linux kernel, the following vulnerability has been resolved:
bfq: fix use-after-free in bfq_dispatch_request
KASAN reports a use-after-free report when doing normal scsi-mq test
[69832.239032] ==================================================================
[69832.241810] BUG: KASAN: use-after-free in bfq_dispatch_request+0x1045/0x44b0
[69832.243267] Read of size 8 at addr ffff88802622ba88 by task kworker/3:1H/155
[69832.244656]
[69832.245007] CPU: 3 PID: 155 Comm: kworker/3:1H Not tainted 5.10.0-10295-g576c6382529e #8
[69832.246626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
[69832.249069] Workqueue: kblockd blk_mq_run_work_fn
[69832.250022] Call Trace
Debian
CVE-2022-49176: linux - In the Linux kernel, the following vulnerability has been resolved: bfq: fix us...
vendor_debian·2022·CVSS 7.8
CVE-2022-49176 [HIGH] CVE-2022-49176: linux - In the Linux kernel, the following vulnerability has been resolved: bfq: fix us...
In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfq_dispatch_request KASAN reports a use-after-free report when doing normal scsi-mq test [69832.239032] ================================================================== [69832.241810] BUG: KASAN: use-after-free in bfq_dispatch_request+0x1045/0x44b0 [69832.243267] Read of size 8 at addr ffff88802622ba88 by task kworker/3:1H/155 [69832.244656] [69832.245007] CPU: 3 PID: 155 Comm: kworker/3:1H Not tainted 5.10.0-10295-g576c6382529e #8 [69832.246626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [69832.249069] Workqueue: kblockd blk_mq_run_work_fn [69832.250022] Call Trace: [69832.250541] dump_stack+0x9b/0xce [69832.251232] ? bf
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://git.kernel.org/stable/c/080665e2c3cbfc68359b9a348a3546ed9b908e7ahttps://git.kernel.org/stable/c/40b4ba0030e0b02cbacd424ebb9f4c8b0976c786https://git.kernel.org/stable/c/5117c9ff4c2ebae0f5c2c262d42a25a8fbc086e6https://git.kernel.org/stable/c/5687958bf18f84384d809f521210d0f5deed03b0https://git.kernel.org/stable/c/74e610b5ee0d95e751280567100509eb11517efahttps://git.kernel.org/stable/c/ab552fcb17cc9e4afe0e4ac4df95fc7b30e8490ahttps://git.kernel.org/stable/c/df6e00b1a53c57dca82c63b5ecbcad5452231bc7
2025-02-26
Published