CVE-2024-50258None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: net: fix crash when config small gso_max_size/gso_ipv4_max_size Config a small gso_max_size/gso_ipv4_max_size will lead to an underflow in sk_dst_gso_max_size(), which…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · 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.
Exploit-prediction probability, daily snapshots since Nov 5.
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: fix crash when config small gso_max_size/gso_ipv4_max_size
Config a small gso_max_size/gso_ipv4_max_size will lead to an underflow in sk_dst_gso_max_size(), which may trigger a BUG_ON crash, because sk->sk_gso_max_size would be much bigger than device limits. Call Trace: tcp_write_xmit tso_segs = tcp_init_tso_segs(skb, mss_now); tcp_set_skb_tso_segs tcp_skb_pcount_set // skb->len = 524288, mss_now = 8 // u16 tso_segs = 524288/8 = 65535 -> 0 tso_segs = DIV_ROUND_UP(skb->len, mss_now) BUG_ON(!tso_segs) Add check for the minimum value of gso_max_size and gso_ipv4_max_size.
Linux >= 46e6b992c2502b094e61da6994f1363f3b7c1413 < 90c8482a5d9791259ba77bfdc1849fc5128b4be7Linux >= 46e6b992c2502b094e61da6994f1363f3b7c1413 < e9365368b483328639c03fc730448dccd5a25b6bLinux >= 46e6b992c2502b094e61da6994f1363f3b7c1413 < ac5977001eee7660c643f8e07a2de9001990b7b8Linux >= 46e6b992c2502b094e61da6994f1363f3b7c1413 < e72fd1389a5364bc6aa6312ecf30bdb5891b9486Linux >= 46e6b992c2502b094e61da6994f1363f3b7c1413 < 9ab5cf19fb0e4680f95e506d6c544259bf1111c4Linux 4.16Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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