CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: preserve shared-frag marker in iptfs_consume_frags() iptfs_consume_frags() transfers paged fragments from one socket buffer to another but fails to propagate the SKBFL_SHARED_FRAG flag. This is the same class of bug that was fixed in skb_try_coalesce() for CVE-2026-46300: when fragments backed by read-only page-cache pages are merged, the marker indicating their shared nature must be preserved so that ESP can decide correctly whether in-place encryption is safe. Apply the same two-line fix used in skb_try_coalesce() to iptfs_consume_frags().
Засегнати продукти
- Linux Linux: b96ba312e21c9b7ac1526829b9640ddc06695c0b преди dd66f7f6e360ee82cd905517726f8e9091265de5; b96ba312e21c9b7ac1526829b9640ddc06695c0b преди c885d111ed9f5a0a1f3cc4e87a50db6518abaa6c; b96ba312e21c9b7ac1526829b9640ddc06695c0b преди e9096a5a170e7ecd6467bc2e08668ec39897cda7
- Linux Linux: 6.14; преди 6.14; 6.18.36 до 6.18.*; 7.0.13 до 7.0.*; от 7.1 нататък
История
- 10 юли 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-53363
- https://nvd.nist.gov/vuln/detail/CVE-2026-53363
- https://git.kernel.org/stable/c/dd66f7f6e360ee82cd905517726f8e9091265de5
- https://git.kernel.org/stable/c/c885d111ed9f5a0a1f3cc4e87a50db6518abaa6c
- https://git.kernel.org/stable/c/e9096a5a170e7ecd6467bc2e08668ec39897cda7