MicroPython modselect.c poll_set_add_fd use after free
Published Dec 29, 2023
9.8
CRITICALCVSS 3.1
EPSS 0.89%
Description
A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.
Affected products
- Vendor n/a Product MicroPython Defaultn/a
- Version 1.21.0StatusaffectedConstraints-
- Version 1.22.0-previewStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n/a | MicroPython | n/a |
|
- 1.21.0
- 1.22.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (7)
- https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26 patch
- https://github.com/micropython/micropython/issues/12887 exploitissue-trackingIssue Tracking
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/
- https://vuldb.com/?ctiid.249158 signaturepermissions-requiredPermissions RequiredThird Party AdvisoryVDB Entry
- https://vuldb.com/?id.249158 vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26 | patch | |
| https://github.com/micropython/micropython/issues/12887 | exploitissue-trackingIssue Tracking | |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/ | ||
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/ | ||
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/ | ||
| https://vuldb.com/?ctiid.249158 | signaturepermissions-requiredPermissions RequiredThird Party AdvisoryVDB Entry | |
| https://vuldb.com/?id.249158 | vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.