CVSS 5.5 · Medium EPSS 0,22%
Kerentanan Missing Release of Memory after Effective Lifetime pada linux kernel. Skor CVSS 3.1 5.5 (Medium) menurut NVD.
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpf_sk_select_reuseport() memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SO_ATTACH_REUSEPORT_EBPF set before it was ESTABLISHED. In other words, a non-NULL sk_reuseport_cb does not imply a non-refcounted socket. Drop sk's reference in both error paths. unreferenced object 0xffff888101911800 (size 2048): comm "test_progs", pid 44109, jiffies 4297131437 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 80 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 9336483b): __kmalloc_noprof+0x3bf/0x560 __reuseport_alloc+0x1d/0x40 reuseport_alloc+0xca/0x150 reuseport_attach_prog+0x87/0x140 sk_reuseport_attach_bpf+0xc8/0x100 sk_setsockopt+0x1181/0x1990 do_sock_setsockopt+0x12b/0x160 __sys_setsockopt+0x7b/0xc0 __x64_sys_setsockopt+0x1b/0x30 do_syscall_64+0x93/0x180 entry_SYSCALL_64_after_hwframe+0x76/0x7e
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
· uraikan di kalkulator | Vendor | Produk | Versi terdampak |
|---|---|---|
| linux | linux kernel | Versi 5.8 hingga sebelum 5.15.177 |
| linux | linux kernel | Versi 5.16 hingga sebelum 6.1.127 |
| linux | linux kernel | Versi 6.2 hingga sebelum 6.6.74 |
| linux | linux kernel | Versi 6.7 hingga sebelum 6.12.11 |
| linux | linux kernel | Versi 6.13 rc1 |
| linux | linux kernel | Versi 6.13 rc2 |
| linux | linux kernel | Versi 6.13 rc3 |
| linux | linux kernel | Versi 6.13 rc4 |
| linux | linux kernel | Versi 6.13 rc5 |
| linux | linux kernel | Versi 6.13 rc6 |
| linux | linux kernel | Versi 6.13 rc7 |