TOCTOU race between sound(4) buffer resizing and mmap
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
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| FreeBSD | FreeBSD | unknown |
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Configuration 1 [-]
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No data.
| Vendor | Product | Versions | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Freebsd | Freebsd |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.074% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:o:freebsd:freebsd:14.4:-:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.4:p10:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.4:p1:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.4:p2:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.4:p3:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.4:p4:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.4:p5:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.4:p6:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.4:p7:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.4:p8:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.4:p9:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.5:-:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:14.5:p1:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:15.1:-:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:15.1:p1:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:15.1:p2:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:15.1:p3:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:15.1:p4:*:*:*:*:*:* |
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Freebsd
Freebsd freebsd |
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| Vendors & Products |
Freebsd
Freebsd freebsd |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | When an audio channel's buffer needs to be resized, the sound(4) driver checks that the buffer is not memory-mapped and then drops the channel lock to allocate a new buffer. An mmap(2) call on another thread can complete during this window, after which the resize path frees the now-mapped buffer without rechecking. An unprivileged local user with access to a sound device can exploit this race to trigger a use-after-free in the kernel, potentially escalating privileges. | |
| Title | TOCTOU race between sound(4) buffer resizing and mmap | |
| Weaknesses | CWE-367 | |
| References |
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