{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-49670","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T02:21:30.436Z","datePublished":"2025-02-26T02:24:03.938Z","dateUpdated":"2025-10-01T19:36:47.592Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:42:58.686Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nlinux/dim: Fix divide by 0 in RDMA DIM\n\nFix a divide 0 error in rdma_dim_stats_compare() when prev->cpe_ratio ==\n0.\n\nCallTrace:\n  Hardware name: H3C R4900 G3/RS33M2C9S, BIOS 2.00.37P21 03/12/2020\n  task: ffff880194b78000 task.stack: ffffc90006714000\n  RIP: 0010:backport_rdma_dim+0x10e/0x240 [mlx_compat]\n  RSP: 0018:ffff880c10e83ec0 EFLAGS: 00010202\n  RAX: 0000000000002710 RBX: ffff88096cd7f780 RCX: 0000000000000064\n  RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001\n  RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000\n  R10: 0000000000000000 R11: 0000000000000000 R12: 000000001d7c6c09\n  R13: ffff88096cd7f780 R14: ffff880b174fe800 R15: 0000000000000000\n  FS:  0000000000000000(0000) GS:ffff880c10e80000(0000)\n  knlGS:0000000000000000\n  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n  CR2: 00000000a0965b00 CR3: 000000000200a003 CR4: 00000000007606e0\n  DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n  DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n  PKRU: 55555554\n  Call Trace:\n   <IRQ>\n   ib_poll_handler+0x43/0x80 [ib_core]\n   irq_poll_softirq+0xae/0x110\n   __do_softirq+0xd1/0x28c\n   irq_exit+0xde/0xf0\n   do_IRQ+0x54/0xe0\n   common_interrupt+0x8f/0x8f\n   </IRQ>\n   ? cpuidle_enter_state+0xd9/0x2a0\n   ? cpuidle_enter_state+0xc7/0x2a0\n   ? do_idle+0x170/0x1d0\n   ? cpu_startup_entry+0x6f/0x80\n   ? start_secondary+0x1b9/0x210\n   ? secondary_startup_64+0xa5/0xb0\n  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 <49> f7 f1 48 83 f8 0a 0f 86 c1 00 00 00 44 39 c1 7f 10 48 89 df\n  RIP: backport_rdma_dim+0x10e/0x240 [mlx_compat] RSP: ffff880c10e83ec0"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/dim.h"],"versions":[{"version":"f4915455dcf07c4f237d6160a4b6adb0575d2909","lessThan":"5af106f8e072aebd88b95e164a08fa320651a99a","status":"affected","versionType":"git"},{"version":"f4915455dcf07c4f237d6160a4b6adb0575d2909","lessThan":"fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95","status":"affected","versionType":"git"},{"version":"f4915455dcf07c4f237d6160a4b6adb0575d2909","lessThan":"0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5e","status":"affected","versionType":"git"},{"version":"f4915455dcf07c4f237d6160a4b6adb0575d2909","lessThan":"7c1963391af51ee322378d1b2849c60e9037f069","status":"affected","versionType":"git"},{"version":"f4915455dcf07c4f237d6160a4b6adb0575d2909","lessThan":"0fe3dbbefb74a8575f61d7801b08dbc50523d60d","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/dim.h"],"versions":[{"version":"5.3","status":"affected"},{"version":"0","lessThan":"5.3","status":"unaffected","versionType":"semver"},{"version":"5.4.204","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.129","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.53","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.18.10","lessThanOrEqual":"5.18.*","status":"unaffected","versionType":"semver"},{"version":"5.19","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.4.204"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.10.129"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.15.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.18.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5af106f8e072aebd88b95e164a08fa320651a99a"},{"url":"https://git.kernel.org/stable/c/fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95"},{"url":"https://git.kernel.org/stable/c/0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5e"},{"url":"https://git.kernel.org/stable/c/7c1963391af51ee322378d1b2849c60e9037f069"},{"url":"https://git.kernel.org/stable/c/0fe3dbbefb74a8575f61d7801b08dbc50523d60d"}],"title":"linux/dim: Fix divide by 0 in RDMA DIM","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49670","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:33:21.787883Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-369","description":"CWE-369 Divide By Zero"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T19:36:47.592Z"}}]}}