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CVSS
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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
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Време до експлоатация
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix acl.sd_buf memory leak and invalid sd_size error handling 1. When ndr_decode_v4_ntacl() fails, the code jumped to free_n_data which only freed n.data, skipping kfree(acl.sd_buf) and leaking the buffer. Zero-initialize struct xattr_ntacl acl, reorder error labels to out_free to release acl.sd_buf on all error paths. 2. if (acl.sd_size < sizeof(struct smb_ntsd)) is true, original code returned success without freeing sd_buf and left stale *pntsd. Set rc = -EINVAL before jumping to out_free to return error code and free buffer.
Засегнати продукти
- Linux Linux: cb69d4d6f709f87c94afa28ae64c501576692171 преди f46a70a082bdbfecbe074af8a719c26c4deb58c6; 8f0541186e9ad1b62accc9519cc2b7a7240272a7 преди 86c2625fb9863139b359805fc6be1e31edbd3d65; 8f0541186e9ad1b62accc9519cc2b7a7240272a7 преди edc17db83085624a2b1bacf6a4521d7f15571737; 8f0541186e9ad1b62accc9519cc2b7a7240272a7 преди c3836f55e0dab96314774215e12d87f63fa919f2; 8f0541186e9ad1b62accc9519cc2b7a7240272a7 преди 6e6329322ad733c5b23555c609353841560b26bc; 8f0541186e9ad1b62accc9519cc2b7a7240272a7 преди d708a36634bb7b6f94d0e76d587d2ec50b2b93b5; 6e8f4abf584253cbaa596ea4ad13110cf61cd4c9; 8e33102309bd6839b2e2e158f93a7b378cb4655d; 5.15.62 преди 5.15.222; 5.18.18 преди 5.19; 5.19.2 преди 5.20
- Linux Linux: 6.0; преди 6.0; 5.15.222 до 5.15.*; 6.1.189 до 6.1.*; 6.6.158 до 6.6.*; 6.12.111 до 6.12.*; 6.18.53 до 6.18.*; от 7.2 нататък
История
- 24 септември 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-93811
- https://nvd.nist.gov/vuln/detail/CVE-2026-93811
- https://git.kernel.org/stable/c/f46a70a082bdbfecbe074af8a719c26c4deb58c6
- https://git.kernel.org/stable/c/86c2625fb9863139b359805fc6be1e31edbd3d65
- https://git.kernel.org/stable/c/edc17db83085624a2b1bacf6a4521d7f15571737
- https://git.kernel.org/stable/c/c3836f55e0dab96314774215e12d87f63fa919f2
- https://git.kernel.org/stable/c/6e6329322ad733c5b23555c609353841560b26bc
- https://git.kernel.org/stable/c/d708a36634bb7b6f94d0e76d587d2ec50b2b93b5