{
  "threat_severity" : "Low",
  "public_date" : "2024-02-23T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path",
    "id" : "2265799",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2265799"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nmlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path\nWhen calling mlxsw_sp_acl_tcam_region_destroy() from an error path after\nfailing to attach the region to an ACL group, we hit a NULL pointer\ndereference upon 'region->group->tcam' [1].\nFix by retrieving the 'tcam' pointer using mlxsw_sp_acl_to_tcam().\n[1]\nBUG: kernel NULL pointer dereference, address: 0000000000000000\n[...]\nRIP: 0010:mlxsw_sp_acl_tcam_region_destroy+0xa0/0xd0\n[...]\nCall Trace:\nmlxsw_sp_acl_tcam_vchunk_get+0x88b/0xa20\nmlxsw_sp_acl_tcam_ventry_add+0x25/0xe0\nmlxsw_sp_acl_rule_add+0x47/0x240\nmlxsw_sp_flower_replace+0x1a9/0x1d0\ntc_setup_cb_add+0xdc/0x1c0\nfl_hw_replace_filter+0x146/0x1f0\nfl_change+0xc17/0x1360\ntc_new_tfilter+0x472/0xb90\nrtnetlink_rcv_msg+0x313/0x3b0\nnetlink_rcv_skb+0x58/0x100\nnetlink_unicast+0x244/0x390\nnetlink_sendmsg+0x1e4/0x440\n____sys_sendmsg+0x164/0x260\n___sys_sendmsg+0x9a/0xe0\n__sys_sendmsg+0x7a/0xc0\ndo_syscall_64+0x40/0xe0\nentry_SYSCALL_64_after_hwframe+0x63/0x6b", "A flaw was found in the Linux kernel, where a faulty error handler in the driver for certain Mellanox hardware could lead to a null pointer reference. This issue affects system stability." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-09-24T00:00:00Z",
    "advisory" : "RHSA-2024:7001",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-09-24T00:00:00Z",
    "advisory" : "RHSA-2024:7000",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-553.22.1.el8_10"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-26595\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26595\nhttps://lore.kernel.org/linux-cve-announce/2024022336-CVE-2024-26595-9a8d@gregkh/T/#u" ],
  "name" : "CVE-2024-26595",
  "mitigation" : {
    "value" : "No mitigation is currently available for this vulnerability. Make sure to perform the updates as they become available.",
    "lang" : "en:us"
  },
  "csaw" : false
}