CVE-2026-72298High· 8.4▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix 32-bit integer overflow in qrtr_endpoint_post() qrtr_endpoint_post() validates an incoming packet with if (!size || len != ALIGN(size, 4) + hdrlen) …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 46.2 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
net: qrtr: fix 32-bit integer overflow in qrtr_endpoint_post()
qrtr_endpoint_post() validates an incoming packet with
if (!size || len != ALIGN(size, 4) + hdrlen)
goto err;
where size comes from the wire. On 32-bit, size_t is 32 bits and ALIGN(size, 4) wraps to 0 for size >= 0xfffffffd, so the check passes and skb_put_data(skb, data + hdrlen, size) writes past the hdrlen-sized skb and oopses the kernel. 64-bit is unaffected.
This is the 32-bit residual of ad9d24c9429e2 ("net: qrtr: fix OOB Read in qrtr_endpoint_post"), which fixed only the 64-bit case.
Reject any size that cannot fit the buffer before the ALIGN.
Linux >= 960b08dd36de1e341e3eb43d1c547513e338f4f8 < 3665e644ea081c4624a1637023b0de3b29f4ae04Linux >= ad9d24c9429e2159d1e279dc3a83191ccb4daf1d < b609f7f46916c6b05585ca82455077198a23770fLinux >= ad9d24c9429e2159d1e279dc3a83191ccb4daf1d < 242408b5b763c01288adf3113cbce84378a76e1aLinux >= ad9d24c9429e2159d1e279dc3a83191ccb4daf1d < d0597074e99731fdad5593e4f6d056a3866f2cabLinux >= ad9d24c9429e2159d1e279dc3a83191ccb4daf1d < 689b7267f8632b4661879dc323e26ebb60978afbLinux >= ad9d24c9429e2159d1e279dc3a83191ccb4daf1d < 22100a8f73d4ae4f17697dae93d4e2e1d283a6ecLinux >= ad9d24c9429e2159d1e279dc3a83191ccb4daf1d < 7f72c285f6d3bf63968a0344beee8ab1b370198bLinux >= ad9d24c9429e2159d1e279dc3a83191ccb4daf1d < 20054869770c7df060c5ecee3e8bbf9029c47191Linux f8111c0d7ed42ede41a3d0d393b104de0730a8a6Linux 26b8d10703a9be45d6097946b2b4011f7dd2c56fLinux 19892ab9c9d838e2e5a7744d36e4bb8b7c3292feLinux >= 5.10.46 < 5.10.261Linux >= 4.19.196 < 4.20Linux >= 5.4.128 < 5.5Linux >= 5.12.13 < 5.13Linux 5.13Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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