Skip to content
Heist/ feed
High

mac802154: fix llsec key resources release in mac802154_llsec_key_del

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: mac802154: fix llsec key resources release in mac802154_llsec_key_del mac802154_llsec_key_del() can free resources of a key directly without following the RCU rules for waiting before the end of a grace period. This may lead to use-after-free in case llsec_lookup_key() is traversing the list of keys in parallel with a key deletion: refcount_t: addition on 0; use-after-free. WARNING: CPU: 4 PID: 16000 at lib/refcount.c:25 refcount_warn_saturate+0x162/0x2a0 Modules linked in: CPU: 4 PID: 16000 Comm: wpan-ping Not tainted 6.7.0 #19 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:refcount_warn_saturate+0x162/0x2a0 Call Trace: llsec_lookup_key.isra.0+0x890/0x9e0 mac802154_llsec_encrypt+0x30c/0x9c0 ieee802154_subif_start_xmit+0x24/0x1e0 dev_hard_start_xmit+0x13e/0x690 sch_direct_xmit+0x2ae/0xbc0 __dev_queue_xmit+0x11dd/0x3c20 dgram_sendmsg+0x90b/0xd60 __sys_sendto+0x466/0x4c0 __x64_sys_sendto+0xe0/0x1c0 do_syscall_64+0x45/0xf0 entry_SYSCALL_64_after_hwframe+0x6e/0x76 Also, ieee802154_llsec_key_entry structures are not freed by mac802154_llsec_key_del(): unreferenced object 0xffff8880613b6980 (size 64): comm "iwpan", pid 2176, jiffies 4294761134 (age 60.475s) hex dump (first 32 bytes): 78 0d 8f 18 80 88 ff ff 22 01 00 00 00 00 ad de x......."....... 00 00 00 00 00 00 00 00 03 00 cd ab 00 00 00 00 ................ backtrace: [] __kmem_cache_alloc_node+0x1e2/0x2d

Announced Source revision 1
Original source ↗

CVE-2024-26961

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2024-26961

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5d637d5aabd85132bd85779677d8acb708e0ed90",
        "lessThan": "068ab2759bc0b4daf0b964de61b2731449c86531",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5d637d5aabd85132bd85779677d8acb708e0ed90",
        "lessThan": "d3d858650933d44ac12c1f31337e7110c2071821",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5d637d5aabd85132bd85779677d8acb708e0ed90",
        "lessThan": "dcd51ab42b7a0431575689c5f74b8b6efd45fc2f",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5d637d5aabd85132bd85779677d8acb708e0ed90",
        "lessThan": "20d3e1c8a1847497269f04d874b2a5818ec29e2d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5d637d5aabd85132bd85779677d8acb708e0ed90",
        "lessThan": "640297c3e897bd7e1481466a6a5cb9560f1edb88",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5d637d5aabd85132bd85779677d8acb708e0ed90",
        "lessThan": "49c8951680d7b76fceaee89dcfbab1363fb24fd1",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5d637d5aabd85132bd85779677d8acb708e0ed90",
        "lessThan": "e8a1e58345cf40b7b272e08ac7b32328b2543e40",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "include/net/cfg802154.h",
      "net/mac802154/llsec.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3.16"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "3.16",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.215",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.154",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.84",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.24",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.7.12",
        "versionType": "semver",
        "lessThanOrEqual": "6.7.*"
      },
      {
        "status": "unaffected",
        "version": "6.8.3",
        "versionType": "semver",
        "lessThanOrEqual": "6.8.*"
      },
      {
        "status": "unaffected",
        "version": "6.9",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "include/net/cfg802154.h",
      "net/mac802154/llsec.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2024-26961

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#26469 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement