CVE-2024-27000: debian debian_linux
Vulnerability summary
CVE-2024-27000 is a high (CVSS 7.8) vulnerability in debian debian_linux. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.2% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 32 · Related 27Timeline
- 01-05-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: serial: mxs-auart: add spinlock around changing cts state The uart_handle_cts_change() function in serial_core expects the caller to hold uport->lock. For example, I have seen the below kernel splat, when the Bluetooth driver is loaded on an i.MX28 board. [ 85.119255] ------------[ cut here ]------------ [ 85.124413] WARNING: CPU: 0 PID: 27 at /drivers/tty/serial/serial_core.c:3453 uart_handle_cts_change+0xb4/0xec [ 85.134694] Modules linked in: hci_uart bluetooth ecdh_generic ecc wlcore_sdio configfs [ 85.143314] CPU: 0 PID: 27 Comm: kworker/u3:0 Not tainted 6.6.3-00021-gd62a2f068f92 #1 [ 85.151396] Hardware name: Freescale MXS (Device Tree) [ 85.156679] Workqueue: hci0 hci_power_on [bluetooth] (...) [ 85.191765] uart_handle_cts_change from mxs_auart_irq_handle+0x380/0x3f4 [ 85.198787] mxs_auart_irq_handle from __handle_irq_event_percpu+0x88/0x210 (...)
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.33% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu122 products
- linuxAll versions (No fix recorded) | < 5.4.0-189.209 | < 5.15.0-116.126 | < 6.8.0-38.38
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1128.138 | < 5.15.0-1065.71 | < 6.8.0-1011.12
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.90-1 | < 6.8.9-1
- debian_linuxEOL10.0
Linux2 products
- linux≥ 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4, < 56434e295bd446142025913bfdf1587f5e1970ad | ≥ 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4, < 21535ef0ac1945080198fe3e4347ea498205c99a | ≥ 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4, < 0dc0637e6b16158af85945425821bfd0151adb37 | ≥ 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4, < 479244d68f5d94f3903eced52b093c1e01ddb495 | ≥ 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4, < 2c9b943e9924cf1269e44289bc5e60e51b0f5270 | ≥ 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4, < 5f40fd6ca2cf0bfbc5a5c9e403dfce8ca899ba37 | ≥ 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4, < 94b0e65c75f4af888ab2dd6c90f060f762924e86 | ≥ 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4, < 54c4ec5f8c471b7c1137a1f769648549c423c026 | 3.18
- linux_kernel≥ 3.18, < 4.19.313 | ≥ 4.20, < 5.4.275 | ≥ 5.5, < 5.10.216 | ≥ 5.11, < 5.15.158 | ≥ 5.16, < 6.1.88 | ≥ 6.2, < 6.6.29 | ≥ 6.7, < 6.8.8 | 6.9:rc1 | 6.9:rc2 | 6.9:rc3 | 6.9:rc4
Fedoraproject1 product
- fedoraEOL38 | 39 | 40
4 vendors · 127 products
References
34 links- lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlX TransferredMailing ListThird Party Advisory