CVE-2024-26862packet: annotate data-races around ignore_outgoing
- 4.7MediumCVSS base score
- 0.21%Exploitation in 30 daysEPSS · top 89% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: packet: annotate data-races around ignore_outgoing ignore_outgoing is read locklessly from dev_queue_xmit_nit() and packet_getsockopt() Add appropriate READ_ONCE()/WRITE_ONCE() annotations. syzbot reported: BUG: KCSAN: data-race in dev_queue_xmit_nit / packet_setsockopt write to 0xffff888107804542 of 1 bytes by task 22618 on cpu 0: packet_setsockopt+0xd83/0xfd0 net/packet/af_packet.c:4003 do_sock_setsockopt net/socket.c:2311 [inline] __sys_setsockopt+0x1d8/0x250 net/socket.c:2334 __do_sys_setsockopt net/socket.c:2343 [inline] __se_sys_setsockopt net/socket.c:2340 [inline] __x64_sys_setsockopt+0x66/0x80 net/socket.c:2340 do_syscall_64+0xd3/0x1d0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 read to 0xffff888107804542 of 1 bytes by task 27 on cpu 1: dev_queue_xmit_nit+0x82/0x620 net/core/dev.c:2248 xmit_one net/core/dev.c:3527 [inline] dev_hard_start_xmit+0xcc/0x3f0 net/core/dev.c:3547 __dev_queue_xmit+0xf24/0x1dd0 net/core/dev.c:4335 dev_queue_xmit include/linux/netdevice.h:3091 [inline] batadv_send_skb_packet+0x264/0x300 net/batman-adv/send.c:108 batadv_send_broadcast_skb+0x24/0x30 net/batman-adv/send.c:127 batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:392 [inline] batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:420 [inline] batadv_iv_send_outstanding_bat_ogm_packet+0x3f0/0x4b0 net/batman-adv/bat_iv_ogm.c:1700 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 27 Comm: kworker/u8:1 Tainted: G W 6.8.0-syzkaller-08073-g480e035fc4c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Timeline
ID reserved
By Linux
- 58 days later
· 58 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.21% · top 89% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.
Affected products
- affected fa788d986a3aac5069378ed04697bd06f83d3488 – < 84c510411e321caff3c07e6cd0f917f06633cfc0
- affected fa788d986a3aac5069378ed04697bd06f83d3488 – < 68e84120319d4fc298fcdb14cf0bea6a0f64ffbd
- affected fa788d986a3aac5069378ed04697bd06f83d3488 – < d35b62c224e70797f8a1c37fe9bc4b3e294b7560
- affected fa788d986a3aac5069378ed04697bd06f83d3488 – < ef7eed7e11d23337310ecc2c014ecaeea52719c5
- affected fa788d986a3aac5069378ed04697bd06f83d3488 – < 2c02c5059c78a52d170bdee4a369b470de6deb37
- affected fa788d986a3aac5069378ed04697bd06f83d3488 – < ee413f30ec4fe94a0bdf32c8f042cb06fa913234
- affected fa788d986a3aac5069378ed04697bd06f83d3488 – < 8b1e273c6afcf00d3c40a54ada7d6aac1b503b97
- affected fa788d986a3aac5069378ed04697bd06f83d3488 – < 6ebfad33161afacb3e1e59ed1c2feefef70f9f97
- affected 4.20
- unaffected < 4.20
- unaffected 5.4.273 – ≤ 5.4.*
- unaffected 5.10.214 – ≤ 5.10.*
- unaffected 5.15.153 – ≤ 5.15.*
- unaffected 6.1.83 – ≤ 6.1.*
- unaffected 6.6.23 – ≤ 6.6.*
- unaffected 6.7.11 – ≤ 6.7.*
- unaffected 6.8.2 – ≤ 6.8.*
- unaffected 6.9 – ≤ *
References
References9
- https://git.kernel.org/stable/c/84c510411e321caff3c07e6cd0f917f06633cfc0 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/68e84120319d4fc298fcdb14cf0bea6a0f64ffbd (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/d35b62c224e70797f8a1c37fe9bc4b3e294b7560 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/ef7eed7e11d23337310ecc2c014ecaeea52719c5 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/2c02c5059c78a52d170bdee4a369b470de6deb37 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/ee413f30ec4fe94a0bdf32c8f042cb06fa913234 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/8b1e273c6afcf00d3c40a54ada7d6aac1b503b97 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/6ebfad33161afacb3e1e59ed1c2feefef70f9f97 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-24124 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-26862)Record last updated .