Nixpkgs security tracker

Accepted

Permalink CVE-2024-9979

5.3 MEDIUM

CVSS version (CVSS): 3.1
Attack Vector (AV): Local (L)
Attack Complexity (AC): Low (L)
Privileges Required (PR): Low (L)
User Interaction (UI): None (N)
Scope (S): Unchanged (U)
Confidentiality (C): Low (L)
Integrity (I): Low (L)
Availability (A): Low (L)
Modified Attack Vector (MAV): Local (L)
Modified Attack Complexity (MAC): Low (L)
Modified Privileges Required (MPR): Low (L)
Modified User Interaction (MUI): None (N)
Modified Confidentiality (MC): Low (L)
Modified Scope (MS): Unchanged (U)
Modified Integrity (MI): Low (L)
Modified Availability (MA): Low (L)

updated 1 year, 5 months ago by @LeSuisse Activity log

Created suggestion 1 year, 5 months ago
@LeSuisse accepted 1 year, 5 months ago

Pyo3: risk of use-after-free in `borrowed` reads from python weak references

A flaw was found in PyO3. This vulnerability causes a use-after-free issue, potentially leading to memory corruption or crashes via unsound borrowing from weak Python references.

References

https://access.redhat.com/security/cve/CVE-2024-9979 vdb-entryx_refsource_REDHAT
RHBZ#2318646 x_refsource_REDHATissue-tracking
https://crates.io/crates/pyo3
https://github.com/PyO3/pyo3/pull/4590
https://rustsec.org/advisories/RUSTSEC-2024-0378.html

Affected products

pyo3

<0.22.4

python3.11-nh3

python3.11-rpds-py

python3.11-cryptography

python3.12-cryptography

Matching in nixpkgs

pkgs.python311Packages.pdoc-pyo3-sample-library

Sample PyO3 library used in pdoc tests

nixos-unstable pyo3-sample-library-1.0.11
- nixpkgs-unstable pyo3-sample-library-1.0.11
- nixos-unstable-small pyo3-sample-library-1.0.11

pkgs.python312Packages.pdoc-pyo3-sample-library