CVE-2022-50074
apparmor: Fix memleak in aa_simple_write_to_buffer()
Reported by linux · Published June 18, 2025
In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in aa_simple_write_to_buffer() When copy_from_user failed, the memory is freed by kvfree. however the management struct and data blob are allocated independently, so only kvfree(data) cause a memleak issue here. Use aa_put_loaddata(data) to fix this issue.
EPSS 0.19% · 9.1th percentile
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux_kernel | linux | 5.19.4, 5.15.63, 5.10.138, 5.4.211, 4.19.256 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | a6a52579e52b55448326db88bd9a5740e7c1a037, a6a52579e52b55448326db88bd9a5740e7c1a037, a6a52579e52b55448326db88bd9a5740e7c1a037 |
| Linux | Linux | 4.17, 0, 4.19.256 |
| linux | linux_kernel | 4.17, 4.17, 4.17 |
| Linux | Linux | *, *, * |
Timeline
- Jun 18, 2025 CVE Published
- Jun 29, 2025 EPSS Score (29 in total, the first dated here)
- May 23, 2026 Coalition ESS Score
- Jun 2, 2026 Security Advisory (239 in total, the first dated here)
- Oct 13, 2026 CVE Updated
- Oct 18, 2026 Distribution Patch (228 in total, the first dated here)
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The same record, from the CLI:
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