- Description
- In the Linux kernel, the following vulnerability has been resolved: tpm: Lock TPM chip in tpm_pm_suspend() first Setting TPM_CHIP_FLAG_SUSPENDED in the end of tpm_pm_suspend() can be racy according, as this leaves window for tpm_hwrng_read() to be called while the operation is in progress. The recent bug report gives also evidence of this behaviour. Aadress this by locking the TPM chip before checking any chip->flags both in tpm_pm_suspend() and tpm_hwrng_read(). Move TPM_CHIP_FLAG_SUSPENDED check inside tpm_get_random() so that it will be always checked only when the lock is reserved.
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- NVD status
- Modified
CVSS 3.1
- Type
- Primary
- Base score
- 5.5
- Impact score
- 3.6
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
- nvd@nist.gov
- CWE-667
- Hype score
- Not currently trending
🔵 #Linux Kernel, Race Condition, #CVE-2024-53085 (Moderate) - Low https://t.co/wr60sms7T1
@dailycve
28 Nov 2024
18 Impressions
0 Retweets
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🔵 #Linux Kernel, Race Condition in TPM Suspension, #CVE-2024-53085 (Moderate) - Low https://t.co/xVw8Gthqya
@dailycve
27 Nov 2024
16 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
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