CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.4 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel up to 6.7.8. It has been classified as problematic. Affected is the function hci_error_reset
of the component Bluetooth. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. The impact remains unknown. CVE summarizes:
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Avoid potential use-after-free in hci_error_reset While handling the HCI_EV_HARDWARE_ERROR event, if the underlying BT controller is not responding, the GPIO reset mechanism would free the hci_dev and lead to a use-after-free in hci_error_reset. Here's the call trace observed on a ChromeOS device with Intel AX201: queue_work_on+0x3e/0x6c __hci_cmd_sync_sk+0x2ee/0x4c0 [bluetooth ] ? init_wait_entry+0x31/0x31 __hci_cmd_sync+0x16/0x20 [bluetooth ] hci_error_reset+0x4f/0xa4 [bluetooth ] process_one_work+0x1d8/0x33f worker_thread+0x21b/0x373 kthread+0x13a/0x152 ? pr_cont_work+0x54/0x54 ? kthread_blkcg+0x31/0x31 ret_from_fork+0x1f/0x30 This patch holds the reference count on the hci_dev while processing a HCI_EV_HARDWARE_ERROR event to avoid potential crash.
The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2024-26801 since 02/19/2024. The exploitability is told to be difficult. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/04/2024).
Upgrading to version 4.19.309, 5.4.271, 5.10.212, 5.15.151, 6.1.81, 6.6.21, 6.7.9 or 6.8 eliminates this vulnerability. Applying the patch e0b278650f07/98fb98fd37e4/6dd0a9dfa99f/da4569d450b1/45085686b955/2ab9a19d896f/dd594cdc24f2/2449007d3f73 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.
Product
Type
Vendor
Name
Version
- 4.19.308
- 5.4.270
- 5.10.211
- 5.15.150
- 6.1.0
- 6.1.1
- 6.1.2
- 6.1.3
- 6.1.4
- 6.1.5
- 6.1.6
- 6.1.7
- 6.1.8
- 6.1.9
- 6.1.10
- 6.1.11
- 6.1.12
- 6.1.13
- 6.1.14
- 6.1.15
- 6.1.16
- 6.1.17
- 6.1.18
- 6.1.19
- 6.1.20
- 6.1.21
- 6.1.22
- 6.1.23
- 6.1.24
- 6.1.25
- 6.1.26
- 6.1.27
- 6.1.28
- 6.1.29
- 6.1.30
- 6.1.31
- 6.1.32
- 6.1.33
- 6.1.34
- 6.1.35
- 6.1.36
- 6.1.37
- 6.1.38
- 6.1.39
- 6.1.40
- 6.1.41
- 6.1.42
- 6.1.43
- 6.1.44
- 6.1.45
- 6.1.46
- 6.1.47
- 6.1.48
- 6.1.49
- 6.1.50
- 6.1.51
- 6.1.52
- 6.1.53
- 6.1.54
- 6.1.55
- 6.1.56
- 6.1.57
- 6.1.58
- 6.1.59
- 6.1.60
- 6.1.61
- 6.1.62
- 6.1.63
- 6.1.64
- 6.1.65
- 6.1.66
- 6.1.67
- 6.1.68
- 6.1.69
- 6.1.70
- 6.1.71
- 6.1.72
- 6.1.73
- 6.1.74
- 6.1.75
- 6.1.76
- 6.1.77
- 6.1.78
- 6.1.79
- 6.1.80
- 6.6.0
- 6.6.1
- 6.6.2
- 6.6.3
- 6.6.4
- 6.6.5
- 6.6.6
- 6.6.7
- 6.6.8
- 6.6.9
- 6.6.10
- 6.6.11
- 6.6.12
- 6.6.13
- 6.6.14
- 6.6.15
- 6.6.16
- 6.6.17
- 6.6.18
- 6.6.19
- 6.6.20
- 6.7.0
- 6.7.1
- 6.7.2
- 6.7.3
- 6.7.4
- 6.7.5
- 6.7.6
- 6.7.7
- 6.7.8
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔒VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.6VulDB Meta Temp Score: 4.4
VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Local: No
Remote: Partially
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Kernel 4.19.309/5.4.271/5.10.212/5.15.151/6.1.81/6.6.21/6.7.9/6.8
Patch: e0b278650f07/98fb98fd37e4/6dd0a9dfa99f/da4569d450b1/45085686b955/2ab9a19d896f/dd594cdc24f2/2449007d3f73
Timeline
02/19/2024 CVE reserved04/04/2024 Advisory disclosed
04/04/2024 VulDB entry created
04/04/2024 VulDB entry last update
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2024-26801 (🔒)
Entry
Created: 04/04/2024 15:04Changes: 04/04/2024 15:04 (57)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.