CVE-2024-26961
mac802154: fix llsec key resources release in mac802154_llsec_key_del
Description
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: <TASK> 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: [<ffffffff81dcfa62>] __kmem_cache_alloc_node+0x1e2/0x2d0 [<ffffffff81c43865>] kmalloc_trace+0x25/0xc0 [<ffffffff88968b09>] mac802154_llsec_key_add+0xac9/0xcf0 [<ffffffff8896e41a>] ieee802154_add_llsec_key+0x5a/0x80 [<ffffffff8892adc6>] nl802154_add_llsec_key+0x426/0x5b0 [<ffffffff86ff293e>] genl_family_rcv_msg_doit+0x1fe/0x2f0 [<ffffffff86ff46d1>] genl_rcv_msg+0x531/0x7d0 [<ffffffff86fee7a9>] netlink_rcv_skb+0x169/0x440 [<ffffffff86ff1d88>] genl_rcv+0x28/0x40 [<ffffffff86fec15c>] netlink_unicast+0x53c/0x820 [<ffffffff86fecd8b>] netlink_sendmsg+0x93b/0xe60 [<ffffffff86b91b35>] ____sys_sendmsg+0xac5/0xca0 [<ffffffff86b9c3dd>] ___sys_sendmsg+0x11d/0x1c0 [<ffffffff86b9c65a>] __sys_sendmsg+0xfa/0x1d0 [<ffffffff88eadbf5>] do_syscall_64+0x45/0xf0 [<ffffffff890000ea>] entry_SYSCALL_64_after_hwframe+0x6e/0x76 Handle the proper resource release in the RCU callback function mac802154_llsec_key_del_rcu(). Note that if llsec_lookup_key() finds a key, it gets a refcount via llsec_key_get() and locally copies key id from key_entry (which is a list element). So it's safe to call llsec_key_put() and free the list entry after the RCU grace period elapses. Found by Linux Verification Center (linuxtesting.org).
INFO
Published Date :
May 1, 2024, 6:15 a.m.
Last Modified :
Dec. 23, 2024, 1:37 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the Linux kernel packages to resolve the vulnerability.
- Reboot the system after the update.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-26961.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-26961 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-26961
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-26961 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-26961 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Dec. 23, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.16 up to (excluding) 5.10.215 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.154 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.84 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.24 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.7.12 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.8 up to (excluding) 6.8.3 Changed Reference Type https://git.kernel.org/stable/c/068ab2759bc0b4daf0b964de61b2731449c86531 No Types Assigned https://git.kernel.org/stable/c/068ab2759bc0b4daf0b964de61b2731449c86531 Patch Changed Reference Type https://git.kernel.org/stable/c/068ab2759bc0b4daf0b964de61b2731449c86531 No Types Assigned https://git.kernel.org/stable/c/068ab2759bc0b4daf0b964de61b2731449c86531 Patch Changed Reference Type https://git.kernel.org/stable/c/20d3e1c8a1847497269f04d874b2a5818ec29e2d No Types Assigned https://git.kernel.org/stable/c/20d3e1c8a1847497269f04d874b2a5818ec29e2d Patch Changed Reference Type https://git.kernel.org/stable/c/20d3e1c8a1847497269f04d874b2a5818ec29e2d No Types Assigned https://git.kernel.org/stable/c/20d3e1c8a1847497269f04d874b2a5818ec29e2d Patch Changed Reference Type https://git.kernel.org/stable/c/49c8951680d7b76fceaee89dcfbab1363fb24fd1 No Types Assigned https://git.kernel.org/stable/c/49c8951680d7b76fceaee89dcfbab1363fb24fd1 Patch Changed Reference Type https://git.kernel.org/stable/c/49c8951680d7b76fceaee89dcfbab1363fb24fd1 No Types Assigned https://git.kernel.org/stable/c/49c8951680d7b76fceaee89dcfbab1363fb24fd1 Patch Changed Reference Type https://git.kernel.org/stable/c/640297c3e897bd7e1481466a6a5cb9560f1edb88 No Types Assigned https://git.kernel.org/stable/c/640297c3e897bd7e1481466a6a5cb9560f1edb88 Patch Changed Reference Type https://git.kernel.org/stable/c/640297c3e897bd7e1481466a6a5cb9560f1edb88 No Types Assigned https://git.kernel.org/stable/c/640297c3e897bd7e1481466a6a5cb9560f1edb88 Patch Changed Reference Type https://git.kernel.org/stable/c/d3d858650933d44ac12c1f31337e7110c2071821 No Types Assigned https://git.kernel.org/stable/c/d3d858650933d44ac12c1f31337e7110c2071821 Patch Changed Reference Type https://git.kernel.org/stable/c/d3d858650933d44ac12c1f31337e7110c2071821 No Types Assigned https://git.kernel.org/stable/c/d3d858650933d44ac12c1f31337e7110c2071821 Patch Changed Reference Type https://git.kernel.org/stable/c/dcd51ab42b7a0431575689c5f74b8b6efd45fc2f No Types Assigned https://git.kernel.org/stable/c/dcd51ab42b7a0431575689c5f74b8b6efd45fc2f Patch Changed Reference Type https://git.kernel.org/stable/c/dcd51ab42b7a0431575689c5f74b8b6efd45fc2f No Types Assigned https://git.kernel.org/stable/c/dcd51ab42b7a0431575689c5f74b8b6efd45fc2f Patch Changed Reference Type https://git.kernel.org/stable/c/e8a1e58345cf40b7b272e08ac7b32328b2543e40 No Types Assigned https://git.kernel.org/stable/c/e8a1e58345cf40b7b272e08ac7b32328b2543e40 Patch Changed Reference Type https://git.kernel.org/stable/c/e8a1e58345cf40b7b272e08ac7b32328b2543e40 No Types Assigned https://git.kernel.org/stable/c/e8a1e58345cf40b7b272e08ac7b32328b2543e40 Patch Changed Reference Type https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html No Types Assigned https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Mailing List, Third Party Advisory -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/068ab2759bc0b4daf0b964de61b2731449c86531 Added Reference https://git.kernel.org/stable/c/20d3e1c8a1847497269f04d874b2a5818ec29e2d Added Reference https://git.kernel.org/stable/c/49c8951680d7b76fceaee89dcfbab1363fb24fd1 Added Reference https://git.kernel.org/stable/c/640297c3e897bd7e1481466a6a5cb9560f1edb88 Added Reference https://git.kernel.org/stable/c/d3d858650933d44ac12c1f31337e7110c2071821 Added Reference https://git.kernel.org/stable/c/dcd51ab42b7a0431575689c5f74b8b6efd45fc2f Added Reference https://git.kernel.org/stable/c/e8a1e58345cf40b7b272e08ac7b32328b2543e40 Added Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Nov. 05, 2024
Action Type Old Value New Value Removed Reference kernel.org https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 25, 2024
Action Type Old Value New Value Added Reference kernel.org https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html [No types assigned] -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 29, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 01, 2024
Action Type Old Value New Value Added Description 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: <TASK> 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: [<ffffffff81dcfa62>] __kmem_cache_alloc_node+0x1e2/0x2d0 [<ffffffff81c43865>] kmalloc_trace+0x25/0xc0 [<ffffffff88968b09>] mac802154_llsec_key_add+0xac9/0xcf0 [<ffffffff8896e41a>] ieee802154_add_llsec_key+0x5a/0x80 [<ffffffff8892adc6>] nl802154_add_llsec_key+0x426/0x5b0 [<ffffffff86ff293e>] genl_family_rcv_msg_doit+0x1fe/0x2f0 [<ffffffff86ff46d1>] genl_rcv_msg+0x531/0x7d0 [<ffffffff86fee7a9>] netlink_rcv_skb+0x169/0x440 [<ffffffff86ff1d88>] genl_rcv+0x28/0x40 [<ffffffff86fec15c>] netlink_unicast+0x53c/0x820 [<ffffffff86fecd8b>] netlink_sendmsg+0x93b/0xe60 [<ffffffff86b91b35>] ____sys_sendmsg+0xac5/0xca0 [<ffffffff86b9c3dd>] ___sys_sendmsg+0x11d/0x1c0 [<ffffffff86b9c65a>] __sys_sendmsg+0xfa/0x1d0 [<ffffffff88eadbf5>] do_syscall_64+0x45/0xf0 [<ffffffff890000ea>] entry_SYSCALL_64_after_hwframe+0x6e/0x76 Handle the proper resource release in the RCU callback function mac802154_llsec_key_del_rcu(). Note that if llsec_lookup_key() finds a key, it gets a refcount via llsec_key_get() and locally copies key id from key_entry (which is a list element). So it's safe to call llsec_key_put() and free the list entry after the RCU grace period elapses. Found by Linux Verification Center (linuxtesting.org). Added Reference kernel.org https://git.kernel.org/stable/c/068ab2759bc0b4daf0b964de61b2731449c86531 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/d3d858650933d44ac12c1f31337e7110c2071821 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/dcd51ab42b7a0431575689c5f74b8b6efd45fc2f [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/20d3e1c8a1847497269f04d874b2a5818ec29e2d [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/640297c3e897bd7e1481466a6a5cb9560f1edb88 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/49c8951680d7b76fceaee89dcfbab1363fb24fd1 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/e8a1e58345cf40b7b272e08ac7b32328b2543e40 [No types assigned]