CVE-2023-53670 in Linux
Sumário
de VulDB • 08/06/2026
No kernel do Linux, a seguinte vulnerabilidade foi resolvida:
nvme-core: corrige vazamento de memória (memleak) em dev_pm_qos
Chama dev_pm_qos_hide_latency_tolerance() no patch de desfolhamento de erro para evitar o seguinte kmemleak:
blktests (master) # kmemleak-clear; ./check nvme/044; blktests (master) # kmemleak-scan ; kmemleak-show nvme/044 (Teste de autenticação bidirecional) [passado]
tempo de execução 2.111s ... 2.124s objeto não referenciado 0xffff888110c46240 (tamanho 96): comm "nvme", pid 33461, jiffies 4345365353 (idade 75.586s) dump hexadecimal (primeiros 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000069ac2cec>] kmalloc_trace+0x25/0x90
[<000000006acc66d5>] dev_pm_qos_update_user_latency_tolerance+0x6f/0x100
[<00000000cc376ea7>] nvme_init_ctrl+0x38e/0x410 [nvme_core]
[<000000007df61b4b>] 0xffffffffc05e88b3
[<00000000d152b985>] 0xffffffffc05744cb
[<00000000f04a4041>] vfs_write+0xc5/0x3c0
[<00000000f9491baf>] ksys_write+0x5f/0xe0
[<000000001c46513d>] do_syscall_64+0x3b/0x90
[<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc
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