CVE-2023-54262 (GCVE-0-2023-54262)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:15 – Updated: 2025-12-30 12:15
VLAI?
Title
net/mlx5e: Don't clone flow post action attributes second time
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Don't clone flow post action attributes second time The code already clones post action attributes in mlx5e_clone_flow_attr_for_post_act(). Creating another copy in mlx5e_tc_post_act_add() is a erroneous leftover from original implementation. Instead, assign handle->attribute to post_attr provided by the caller. Note that cloning the attribute second time is not just wasteful but also causes issues like second copy not being properly updated in neigh update code which leads to following use-after-free: Feb 21 09:02:00 c-237-177-40-045 kernel: BUG: KASAN: use-after-free in mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: kasan_report+0xbb/0x1a0 Feb 21 09:02:00 c-237-177-40-045 kernel: kasan_save_stack+0x1e/0x40 Feb 21 09:02:00 c-237-177-40-045 kernel: kasan_set_track+0x21/0x30 Feb 21 09:02:00 c-237-177-40-045 kernel: __kasan_kmalloc+0x7a/0x90 Feb 21 09:02:00 c-237-177-40-045 kernel: kasan_save_stack+0x1e/0x40 Feb 21 09:02:00 c-237-177-40-045 kernel: kasan_set_track+0x21/0x30 Feb 21 09:02:00 c-237-177-40-045 kernel: kasan_save_free_info+0x2a/0x40 Feb 21 09:02:00 c-237-177-40-045 kernel: ____kasan_slab_free+0x11a/0x1b0 Feb 21 09:02:00 c-237-177-40-045 kernel: page dumped because: kasan: bad access detected Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5_core 0000:08:00.0: mlx5_cmd_out_err:803:(pid 8833): SET_FLOW_TABLE_ENTRY(0x936) op_mod(0x0) failed, status bad resource state(0x9), syndrome (0xf2ff71), err(-22) Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5_core 0000:08:00.0 enp8s0f0: Failed to add post action rule Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5_core 0000:08:00.0: mlx5e_tc_encap_flows_add:190:(pid 8833): Failed to update flow post acts, -22 Feb 21 09:02:00 c-237-177-40-045 kernel: Call Trace: Feb 21 09:02:00 c-237-177-40-045 kernel: <TASK> Feb 21 09:02:00 c-237-177-40-045 kernel: dump_stack_lvl+0x57/0x7d Feb 21 09:02:00 c-237-177-40-045 kernel: print_report+0x170/0x471 Feb 21 09:02:00 c-237-177-40-045 kernel: ? mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: kasan_report+0xbb/0x1a0 Feb 21 09:02:00 c-237-177-40-045 kernel: ? mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: ? __module_address.part.0+0x62/0x200 Feb 21 09:02:00 c-237-177-40-045 kernel: ? mlx5_cmd_stub_create_flow_table+0xd0/0xd0 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: ? __raw_spin_lock_init+0x3b/0x110 Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5_cmd_create_fte+0x80/0xb0 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: add_rule_fg+0xe80/0x19c0 [mlx5_core] -- Feb 21 09:02:00 c-237-177-40-045 kernel: Allocated by task 13476: Feb 21 09:02:00 c-237-177-40-045 kernel: kasan_save_stack+0x1e/0x40 Feb 21 09:02:00 c-237-177-40-045 kernel: kasan_set_track+0x21/0x30 Feb 21 09:02:00 c-237-177-40-045 kernel: __kasan_kmalloc+0x7a/0x90 Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5_packet_reformat_alloc+0x7b/0x230 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5e_tc_tun_create_header_ipv4+0x977/0xf10 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5e_attach_encap+0x15b4/0x1e10 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: post_process_attr+0x305/0xa30 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5e_tc_add_fdb_flow+0x4c0/0xcf0 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: __mlx5e_add_fdb_flow+0x7cf/0xe90 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5e_configure_flower+0xcaa/0x4b90 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5e_rep_setup_tc_cls_flower+0x99/0x1b0 [mlx5_core] Feb 21 09:02:00 c-237-177-40-045 kernel: mlx5e_rep_setup_tc_cb+0x133/0x1e0 [mlx5_core] -- Feb 21 09:02:00 c-237-177-40-045 kernel: Freed by task 8833: Feb 21 09:02:00 c-237-177-40-045 kernel: kasan_save_s ---truncated---
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 8300f225268be9ee2c0daf5a3f23929fcdcbf213 , < c382b693ffcb1f1ebf60d76ab9dedfe9ea13eedf (git)
Affected: 8300f225268be9ee2c0daf5a3f23929fcdcbf213 , < 8fd1dac646e6b08d03e3f1ad3c5b34255b1e08e8 (git)
Affected: 8300f225268be9ee2c0daf5a3f23929fcdcbf213 , < 2d57a514f9ab7d2d40f49b02d93edfcec8c78a9e (git)
Affected: 8300f225268be9ee2c0daf5a3f23929fcdcbf213 , < e9fce818fe003b6c527f25517b9ac08eb4661b5d (git)
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    Linux Linux Affected: 5.18
Unaffected: 0 , < 5.18 (semver)
Unaffected: 6.1.28 , ≤ 6.1.* (semver)
Unaffected: 6.2.15 , ≤ 6.2.* (semver)
Unaffected: 6.3.2 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c",
            "drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "lessThan": "c382b693ffcb1f1ebf60d76ab9dedfe9ea13eedf",
              "status": "affected",
              "version": "8300f225268be9ee2c0daf5a3f23929fcdcbf213",
              "versionType": "git"
            },
            {
              "lessThan": "8fd1dac646e6b08d03e3f1ad3c5b34255b1e08e8",
              "status": "affected",
              "version": "8300f225268be9ee2c0daf5a3f23929fcdcbf213",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "8300f225268be9ee2c0daf5a3f23929fcdcbf213",
              "versionType": "git"
            },
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              "status": "affected",
              "version": "8300f225268be9ee2c0daf5a3f23929fcdcbf213",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c",
            "drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.18"
            },
            {
              "lessThan": "5.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.28",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.15",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.28",
                  "versionStartIncluding": "5.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2.15",
                  "versionStartIncluding": "5.18",
                  "vulnerable": true
                },
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3.2",
                  "versionStartIncluding": "5.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4",
                  "versionStartIncluding": "5.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Don\u0027t clone flow post action attributes second time\n\nThe code already clones post action attributes in\nmlx5e_clone_flow_attr_for_post_act(). Creating another copy in\nmlx5e_tc_post_act_add() is a erroneous leftover from original\nimplementation. Instead, assign handle-\u003eattribute to post_attr provided by\nthe caller. Note that cloning the attribute second time is not just\nwasteful but also causes issues like second copy not being properly updated\nin neigh update code which leads to following use-after-free:\n\nFeb 21 09:02:00 c-237-177-40-045 kernel: BUG: KASAN: use-after-free in mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_report+0xbb/0x1a0\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_save_stack+0x1e/0x40\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_set_track+0x21/0x30\nFeb 21 09:02:00 c-237-177-40-045 kernel:  __kasan_kmalloc+0x7a/0x90\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_save_stack+0x1e/0x40\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_set_track+0x21/0x30\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_save_free_info+0x2a/0x40\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ____kasan_slab_free+0x11a/0x1b0\nFeb 21 09:02:00 c-237-177-40-045 kernel: page dumped because: kasan: bad access detected\nFeb 21 09:02:00 c-237-177-40-045 kernel: mlx5_core 0000:08:00.0: mlx5_cmd_out_err:803:(pid 8833): SET_FLOW_TABLE_ENTRY(0x936) op_mod(0x0) failed, status bad resource state(0x9), syndrome (0xf2ff71), err(-22)\nFeb 21 09:02:00 c-237-177-40-045 kernel: mlx5_core 0000:08:00.0 enp8s0f0: Failed to add post action rule\nFeb 21 09:02:00 c-237-177-40-045 kernel: mlx5_core 0000:08:00.0: mlx5e_tc_encap_flows_add:190:(pid 8833): Failed to update flow post acts, -22\nFeb 21 09:02:00 c-237-177-40-045 kernel: Call Trace:\nFeb 21 09:02:00 c-237-177-40-045 kernel:  \u003cTASK\u003e\nFeb 21 09:02:00 c-237-177-40-045 kernel:  dump_stack_lvl+0x57/0x7d\nFeb 21 09:02:00 c-237-177-40-045 kernel:  print_report+0x170/0x471\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ? mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_report+0xbb/0x1a0\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ? mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ? __module_address.part.0+0x62/0x200\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ? mlx5_cmd_stub_create_flow_table+0xd0/0xd0 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ? __raw_spin_lock_init+0x3b/0x110\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5_cmd_create_fte+0x80/0xb0 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  add_rule_fg+0xe80/0x19c0 [mlx5_core]\n--\nFeb 21 09:02:00 c-237-177-40-045 kernel: Allocated by task 13476:\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_save_stack+0x1e/0x40\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_set_track+0x21/0x30\nFeb 21 09:02:00 c-237-177-40-045 kernel:  __kasan_kmalloc+0x7a/0x90\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5_packet_reformat_alloc+0x7b/0x230 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_tc_tun_create_header_ipv4+0x977/0xf10 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_attach_encap+0x15b4/0x1e10 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  post_process_attr+0x305/0xa30 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_tc_add_fdb_flow+0x4c0/0xcf0 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  __mlx5e_add_fdb_flow+0x7cf/0xe90 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_configure_flower+0xcaa/0x4b90 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_rep_setup_tc_cls_flower+0x99/0x1b0 [mlx5_core]\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_rep_setup_tc_cb+0x133/0x1e0 [mlx5_core]\n--\nFeb 21 09:02:00 c-237-177-40-045 kernel: Freed by task 8833:\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_save_s\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:15:55.556Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c382b693ffcb1f1ebf60d76ab9dedfe9ea13eedf"
        },
        {
          "url": "https://git.kernel.org/stable/c/8fd1dac646e6b08d03e3f1ad3c5b34255b1e08e8"
        },
        {
          "url": "https://git.kernel.org/stable/c/2d57a514f9ab7d2d40f49b02d93edfcec8c78a9e"
        },
        {
          "url": "https://git.kernel.org/stable/c/e9fce818fe003b6c527f25517b9ac08eb4661b5d"
        }
      ],
      "title": "net/mlx5e: Don\u0027t clone flow post action attributes second time",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54262",
    "datePublished": "2025-12-30T12:15:55.556Z",
    "dateReserved": "2025-12-30T12:06:44.517Z",
    "dateUpdated": "2025-12-30T12:15:55.556Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-54262\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-30T13:16:14.993\",\"lastModified\":\"2025-12-30T13:16:14.993\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/mlx5e: Don\u0027t clone flow post action attributes second time\\n\\nThe code already clones post action attributes in\\nmlx5e_clone_flow_attr_for_post_act(). Creating another copy in\\nmlx5e_tc_post_act_add() is a erroneous leftover from original\\nimplementation. Instead, assign handle-\u003eattribute to post_attr provided by\\nthe caller. Note that cloning the attribute second time is not just\\nwasteful but also causes issues like second copy not being properly updated\\nin neigh update code which leads to following use-after-free:\\n\\nFeb 21 09:02:00 c-237-177-40-045 kernel: BUG: KASAN: use-after-free in mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_report+0xbb/0x1a0\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_save_stack+0x1e/0x40\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_set_track+0x21/0x30\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  __kasan_kmalloc+0x7a/0x90\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_save_stack+0x1e/0x40\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_set_track+0x21/0x30\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_save_free_info+0x2a/0x40\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ____kasan_slab_free+0x11a/0x1b0\\nFeb 21 09:02:00 c-237-177-40-045 kernel: page dumped because: kasan: bad access detected\\nFeb 21 09:02:00 c-237-177-40-045 kernel: mlx5_core 0000:08:00.0: mlx5_cmd_out_err:803:(pid 8833): SET_FLOW_TABLE_ENTRY(0x936) op_mod(0x0) failed, status bad resource state(0x9), syndrome (0xf2ff71), err(-22)\\nFeb 21 09:02:00 c-237-177-40-045 kernel: mlx5_core 0000:08:00.0 enp8s0f0: Failed to add post action rule\\nFeb 21 09:02:00 c-237-177-40-045 kernel: mlx5_core 0000:08:00.0: mlx5e_tc_encap_flows_add:190:(pid 8833): Failed to update flow post acts, -22\\nFeb 21 09:02:00 c-237-177-40-045 kernel: Call Trace:\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  \u003cTASK\u003e\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  dump_stack_lvl+0x57/0x7d\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  print_report+0x170/0x471\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ? mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_report+0xbb/0x1a0\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ? mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5_cmd_set_fte+0x200d/0x24c0 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ? __module_address.part.0+0x62/0x200\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ? mlx5_cmd_stub_create_flow_table+0xd0/0xd0 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  ? __raw_spin_lock_init+0x3b/0x110\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5_cmd_create_fte+0x80/0xb0 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  add_rule_fg+0xe80/0x19c0 [mlx5_core]\\n--\\nFeb 21 09:02:00 c-237-177-40-045 kernel: Allocated by task 13476:\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_save_stack+0x1e/0x40\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_set_track+0x21/0x30\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  __kasan_kmalloc+0x7a/0x90\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5_packet_reformat_alloc+0x7b/0x230 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_tc_tun_create_header_ipv4+0x977/0xf10 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_attach_encap+0x15b4/0x1e10 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  post_process_attr+0x305/0xa30 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_tc_add_fdb_flow+0x4c0/0xcf0 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  __mlx5e_add_fdb_flow+0x7cf/0xe90 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_configure_flower+0xcaa/0x4b90 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_rep_setup_tc_cls_flower+0x99/0x1b0 [mlx5_core]\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  mlx5e_rep_setup_tc_cb+0x133/0x1e0 [mlx5_core]\\n--\\nFeb 21 09:02:00 c-237-177-40-045 kernel: Freed by task 8833:\\nFeb 21 09:02:00 c-237-177-40-045 kernel:  kasan_save_s\\n---truncated---\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2d57a514f9ab7d2d40f49b02d93edfcec8c78a9e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8fd1dac646e6b08d03e3f1ad3c5b34255b1e08e8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c382b693ffcb1f1ebf60d76ab9dedfe9ea13eedf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e9fce818fe003b6c527f25517b9ac08eb4661b5d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.