Vulnerability details
CVE-2022-50328
Linux Linux
jbd2: fix potential use-after-free in jbd2_fc_wait_bufs
CVSS 3.1
7.8High
Official description
In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential use-after-free in jbd2_fc_wait_bufs In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Linux | Linux | 5.10 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ff780b91efe901b8eecd8114785abae5341820ad ≤ v < 1d4d16daec2a6689b6d3fbfc7d2078643adc6619 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ff780b91efe901b8eecd8114785abae5341820ad ≤ v < d11d2ded293976a1a0d9d9471827a44dc9e3c63f | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ff780b91efe901b8eecd8114785abae5341820ad ≤ v < 2e6d9f381c1ed844531a577783fc352de7a44c8a | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ff780b91efe901b8eecd8114785abae5341820ad ≤ v < effd9b3c029ecdd853a11933dcf857f5a7ca8c3d | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ff780b91efe901b8eecd8114785abae5341820ad ≤ v < 243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://git.kernel.org/stable/c/1d4d16daec2a6689b6d3fbfc7d2078643adc6619
- https://git.kernel.org/stable/c/d11d2ded293976a1a0d9d9471827a44dc9e3c63f
- https://git.kernel.org/stable/c/2e6d9f381c1ed844531a577783fc352de7a44c8a
- https://git.kernel.org/stable/c/effd9b3c029ecdd853a11933dcf857f5a7ca8c3d
- https://git.kernel.org/stable/c/243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd
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Details
- Published
- 2025-09-15
- Last updated
- 2026-10-16
- State
- Published
- Assigner (CNA)
- Linux
Exploit prediction (EPSS)
0.16%
Probability of exploitation in 30 days
5.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- —