CVE-2025-39787soc: qcom: mdt_loader: Ensure we don't read past the ELF header
Updated under an hour ago ()
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It affects Linux and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: soc: qcom: mdt_loader: Ensure we don't read past the ELF header When the MDT loader is used in remoteproc, the ELF header is sanitized beforehand, but that's not necessary the case for other clients. Validate the size of the firmware buffer to ensure that we don't read past the end as we iterate over the header. e_phentsize and e_shentsize are validated as well, to ensure that the assumptions about step size in the traversal are valid.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Not yet received
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Linux Linux linux:linux (from the name) | from 2aad40d911eeb7dcac91c669f2762a28134f0eb1 before 1096eb63ecfc8df90b70cd068e6de0c2ff204dfd; from 2aad40d911eeb7dcac91c669f2762a28134f0eb1 before e1720eb32acf411c328af6a8c8f556c94535808e; 2aad40d911eeb7dcac91c669f2762a28134f0eb1 builds before 0d59ce2bfc3bb13abe6240335a1bf7b96536d022; from 2aad40d911eeb7dcac91c669f2762a28134f0eb1 before 43d26997d88c4056fce0324e72f62556bc7e8e8d; from 2aad40d911eeb7dcac91c669f2762a28134f0eb1 before 981c845f29838e468a9bfa87f784307193a31297; from 2aad40d911eeb7dcac91c669f2762a28134f0eb1 before 87bfabb3b2f46827639173f143aa43f7cfc0a7e6; from 2aad40d911eeb7dcac91c669f2762a28134f0eb1 before 81278be4eb5f08ba2c68c3055893e61cc03727fe; from 2aad40d911eeb7dcac91c669f2762a28134f0eb1 before 9f9967fed9d066ed3dae9372b45ffa4f6fccfeef | CNA record |
Siemens SIMATIC CN 4100 siemens:simatic_cn_4100 (from the name) | before V5.0 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.5 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name) | from V3.1.5 | CISA ADP |
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.5 | CISA ADP |
References
- https://git.kernel.org/stable/c/1096eb63ecfc8df90b70cd068e6de0c2ff204dfd
- https://git.kernel.org/stable/c/e1720eb32acf411c328af6a8c8f556c94535808e
- https://git.kernel.org/stable/c/0d59ce2bfc3bb13abe6240335a1bf7b96536d022
- https://git.kernel.org/stable/c/43d26997d88c4056fce0324e72f62556bc7e8e8d
- https://git.kernel.org/stable/c/981c845f29838e468a9bfa87f784307193a31297
- https://git.kernel.org/stable/c/87bfabb3b2f46827639173f143aa43f7cfc0a7e6
- https://git.kernel.org/stable/c/81278be4eb5f08ba2c68c3055893e61cc03727fe
- https://git.kernel.org/stable/c/9f9967fed9d066ed3dae9372b45ffa4f6fccfeef
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.