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Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: bpf: fix end-of-list detection in cgroup_storage_get_next_key() list_next_entry() never returns NULL -- when the current element is the last entry it wraps to the list head via container_of(). The subsequent NULL check is therefore dead code and get_next_key() never returns -ENOENT for the last element, instead reading storage->key from a bogus pointer that aliases internal map fields and copying the result to userspace. Replace it with list_entry_is_head() so the function correctly returns -ENOENT when there are no more entries.
Засегнати продукти
- Linux Linux: de9cbbaadba5adf88a19e46df61f7054000838f6 преди 0f3d9dd5e1fd52b39e25328307c6a694e994ffe3; de9cbbaadba5adf88a19e46df61f7054000838f6 преди 26d3339e465e54107bd85884341d1609c5300d6a; de9cbbaadba5adf88a19e46df61f7054000838f6 преди 2c88b2d96e1d4d0c7c4589a4593d4cdee6d332d6; de9cbbaadba5adf88a19e46df61f7054000838f6 преди b4b5a20bed82130da2f2818f04d52378952fbd0b; de9cbbaadba5adf88a19e46df61f7054000838f6 преди 85a2f30e40f7468db732f55659bc6318874f49af; de9cbbaadba5adf88a19e46df61f7054000838f6 преди 32ce55d424395904986f5066f8755f6cb9993377; de9cbbaadba5adf88a19e46df61f7054000838f6 преди fc39753b7f92e09177777e9c648afe5aa3abb81f; de9cbbaadba5adf88a19e46df61f7054000838f6 преди 5828b9e5b272ecff7cf5d345128d3de7324117f7
- Linux Linux: 4.19; преди 4.19; 5.10.258 до 5.10.*; 5.15.209 до 5.15.*; 6.1.175 до 6.1.*; 6.6.141 до 6.6.*; 6.12.91 до 6.12.*; 6.18.33 до 6.18.*; 7.0.10 до 7.0.*; от 7.1 нататък
- Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem: всички версии
История
- 27 май 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-45838
- https://nvd.nist.gov/vuln/detail/CVE-2026-45838
- https://git.kernel.org/stable/c/0f3d9dd5e1fd52b39e25328307c6a694e994ffe3
- https://git.kernel.org/stable/c/26d3339e465e54107bd85884341d1609c5300d6a
- https://git.kernel.org/stable/c/2c88b2d96e1d4d0c7c4589a4593d4cdee6d332d6
- https://git.kernel.org/stable/c/b4b5a20bed82130da2f2818f04d52378952fbd0b
- https://git.kernel.org/stable/c/85a2f30e40f7468db732f55659bc6318874f49af
- https://git.kernel.org/stable/c/32ce55d424395904986f5066f8755f6cb9993377
- https://git.kernel.org/stable/c/fc39753b7f92e09177777e9c648afe5aa3abb81f
- https://git.kernel.org/stable/c/5828b9e5b272ecff7cf5d345128d3de7324117f7
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html