{"id":"DEBIAN-CVE-2022-49670","details":"In the Linux kernel, the following vulnerability has been resolved:  linux/dim: Fix divide by 0 in RDMA DIM  Fix a divide 0 error in rdma_dim_stats_compare() when prev-\u003ecpe_ratio == 0.  CallTrace:   Hardware name: H3C R4900 G3/RS33M2C9S, BIOS 2.00.37P21 03/12/2020   task: ffff880194b78000 task.stack: ffffc90006714000   RIP: 0010:backport_rdma_dim+0x10e/0x240 [mlx_compat]   RSP: 0018:ffff880c10e83ec0 EFLAGS: 00010202   RAX: 0000000000002710 RBX: ffff88096cd7f780 RCX: 0000000000000064   RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001   RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000   R10: 0000000000000000 R11: 0000000000000000 R12: 000000001d7c6c09   R13: ffff88096cd7f780 R14: ffff880b174fe800 R15: 0000000000000000   FS:  0000000000000000(0000) GS:ffff880c10e80000(0000)   knlGS:0000000000000000   CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033   CR2: 00000000a0965b00 CR3: 000000000200a003 CR4: 00000000007606e0   DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000   DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400   PKRU: 55555554   Call Trace:    \u003cIRQ\u003e    ib_poll_handler+0x43/0x80 [ib_core]    irq_poll_softirq+0xae/0x110    __do_softirq+0xd1/0x28c    irq_exit+0xde/0xf0    do_IRQ+0x54/0xe0    common_interrupt+0x8f/0x8f    \u003c/IRQ\u003e    ? cpuidle_enter_state+0xd9/0x2a0    ? cpuidle_enter_state+0xc7/0x2a0    ? do_idle+0x170/0x1d0    ? cpu_startup_entry+0x6f/0x80    ? start_secondary+0x1b9/0x210    ? secondary_startup_64+0xa5/0xb0   Code: 0f 87 e1 00 00 00 8b 4c 24 14 44 8b 43 14 89 c8 4d 63 c8 44 29 c0 99 31 d0 29 d0 31 d2 48 98 48 8d 04 80 48 8d 04 80 48 c1 e0 02 \u003c49\u003e f7 f1 48 83 f8 0a 0f 86 c1 00 00 00 44 39 c1 7f 10 48 89 df   RIP: backport_rdma_dim+0x10e/0x240 [mlx_compat] RSP: ffff880c10e83ec0","modified":"2026-09-01T16:05:33.020026860Z","published":"2025-02-26T07:01:41.953Z","upstream":["CVE-2022-49670"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49670"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.14-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49670.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.14-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49670.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.14-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49670.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}