| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix command bitmask initialization\n\nCommand bitmask have a dedicated bit for MANAGE_PAGES command, this bit\nisn't Initialize during command bitmask Initialization, only during\nMANAGE_PAGES.\n\nIn addition, mlx5_cmd_trigger_completions() is trying to trigger\ncompletion for MANAGE_PAGES command as well.\n\nHence, in case health error occurred before any MANAGE_PAGES command\nhave been invoke (for example, during mlx5_enable_hca()),\nmlx5_cmd_trigger_completions() will try to trigger completion for\nMANAGE_PAGES command, which will result in null-ptr-deref error.[1]\n\nFix it by Initialize command bitmask correctly.\n\nWhile at it, re-write the code for better understanding.\n\n[1]\nBUG: KASAN: null-ptr-deref in mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]\nWrite of size 4 at addr 0000000000000214 by task kworker/u96:2/12078\nCPU: 10 PID: 12078 Comm: kworker/u96:2 Not tainted 6.9.0-rc2_for_upstream_debug_2024_04_07_19_01 #1\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\nWorkqueue: mlx5_health0000:08:00.0 mlx5_fw_fatal_reporter_err_work [mlx5_core]\nCall Trace:\n <TASK>\n dump_stack_lvl+0x7e/0xc0\n kasan_report+0xb9/0xf0\n kasan_check_range+0xec/0x190\n mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]\n mlx5_cmd_flush+0x94/0x240 [mlx5_core]\n enter_error_state+0x6c/0xd0 [mlx5_core]\n mlx5_fw_fatal_reporter_err_work+0xf3/0x480 [mlx5_core]\n process_one_work+0x787/0x1490\n ? lockdep_hardirqs_on_prepare+0x400/0x400\n ? pwq_dec_nr_in_flight+0xda0/0xda0\n ? assign_work+0x168/0x240\n worker_thread+0x586/0xd30\n ? rescuer_thread+0xae0/0xae0\n kthread+0x2df/0x3b0\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x2d/0x70\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork_asm+0x11/0x20\n </TASK>" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/ethernet/mellanox/mlx5/core/cmd.c" |
| ], |
| "versions": [ |
| { |
| "version": "9b98d395b85dd042fe83fb696b1ac02e6c93a520", |
| "lessThan": "d1606090bb294cecb7de3c4ed177f5aa0abd4c4e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "9b98d395b85dd042fe83fb696b1ac02e6c93a520", |
| "lessThan": "d88564c79d1cedaf2655f12261eca0d2796bde4e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "9b98d395b85dd042fe83fb696b1ac02e6c93a520", |
| "lessThan": "2feac1e562be0efc621a6722644a90f355d53473", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "9b98d395b85dd042fe83fb696b1ac02e6c93a520", |
| "lessThan": "d62b14045c6511a7b2d4948d1a83a4e592deeb05", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/ethernet/mellanox/mlx5/core/cmd.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.1", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.1", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.115", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.59", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11.6", |
| "lessThanOrEqual": "6.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12", |
| "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": "6.1", |
| "versionEndExcluding": "6.1.115" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.1", |
| "versionEndExcluding": "6.6.59" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.1", |
| "versionEndExcluding": "6.11.6" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.1", |
| "versionEndExcluding": "6.12" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/d1606090bb294cecb7de3c4ed177f5aa0abd4c4e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d88564c79d1cedaf2655f12261eca0d2796bde4e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/2feac1e562be0efc621a6722644a90f355d53473" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d62b14045c6511a7b2d4948d1a83a4e592deeb05" |
| } |
| ], |
| "title": "net/mlx5: Fix command bitmask initialization", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-50147", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
