🛡️ CVE-2024-49985 on Ubuntu — linux

⚪ Unknown ✅ No Known Exploit OSV

N/A

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

In the Linux kernel, the following vulnerability has been resolved: i2c: stm32f7: Do not prepare/unprepare clock during runtime suspend/resume In case there is any sort of clock controller attached to this I2C bus controller, for example Versaclock or even an AIC32x4 I2C codec, then an I2C transfer triggered from the clock controller clk_ops .prepare callback may trigger a deadlock on drivers/clk/clk.c prepare_lock mutex. This is because the clock controller first grabs the prepare_lock mutex and then performs the prepare operation, including its I2C access. The I2C access resumes this I2C bus controller via .runtime_resume callback, which calls clk_prepare_enable(), which attempts to grab the prepare_lock mutex again and deadlocks. Since the clock are already prepared since probe() and unprepared in remove(), use simple clk_enable()/clk_disable() calls to enable and disable the clock on runtime suspend and resume, to avoid hitting the prepare_lock mutex.

Distribution advisory

This page covers CVE-2024-49985 as tracked by Ubuntu, for the package linux. The fix is available in version 6.8.0-54.56; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack vector: Local — a local account, shell or session on the host is needed.
Attack complexity: Low — the attack works reliably, with no preparation.
Privileges required: Low — an ordinary user account is enough.
User interaction: None — nobody has to be tricked into anything.
Scope: Unchanged — the damage stays inside the vulnerable component.
Confidentiality impact: None.
Integrity impact: None.
Availability impact: High — total loss, or loss the attacker controls.

Affected software

UBUNTU-CVE-2024-49985 is recorded against 130 packages.

linux (fixed in 6.8.0-54.56)
linux-allwinner-5.19
linux-aws (fixed in 6.8.0-1023.25)
linux-aws-5.0
linux-aws-5.11
linux-aws-5.13
linux-aws-5.15 (fixed in 5.15.0-1073.79~20.04.1)
linux-aws-5.19
linux-aws-5.3
linux-aws-5.4 (fixed in 5.4.0-1142.152~18.04.1)
linux-aws-5.8
linux-aws-6.2
linux-aws-6.5
linux-aws-6.8 (fixed in 6.8.0-1023.25~22.04.1)
linux-aws-fips (fixed in 5.15.0-1073.79+fips1)
linux-azure (fixed in 6.8.0-1025.30)
linux-azure-5.11
linux-azure-5.13
linux-azure-5.15 (fixed in 5.15.0-1078.87~20.04.1)
linux-azure-5.19
linux-azure-5.3
linux-azure-5.4 (fixed in 5.4.0-1145.152~18.04.1)
linux-azure-5.8
linux-azure-6.11 (fixed in 6.11.0-1012.12~24.04.1)

Show the remaining 106 packages

linux-azure-6.2
linux-azure-6.5
linux-azure-6.8 (fixed in 6.8.0-1025.30~22.04.1)
linux-azure-edge
linux-azure-fde
linux-azure-fde-5.19
linux-azure-fde-6.2
linux-azure-fips (fixed in 5.15.0-1078.87+fips1)
linux-azure-nvidia (fixed in 6.8.0-1014.15)
linux-bluefield
linux-fips (fixed in 6.8.0-78.78+fips1)
linux-gcp (fixed in 6.8.0-1024.26)
linux-gcp-5.11
linux-gcp-5.13
linux-gcp-5.15 (fixed in 5.15.0-1072.80~20.04.1)
linux-gcp-5.19
linux-gcp-5.3
linux-gcp-5.4 (fixed in 5.4.0-1143.152~18.04.1)
linux-gcp-5.8
linux-gcp-6.11 (fixed in 6.11.0-1011.11~24.04.1)
linux-gcp-6.2
linux-gcp-6.5
linux-gcp-6.8 (fixed in 6.8.0-1024.26~22.04.1)
linux-gcp-fips (fixed in 5.15.0-1072.80+fips1)
linux-gke (fixed in 6.8.0-1019.23)
linux-gke-4.15
linux-gke-5.15
linux-gke-5.4
linux-gkeop (fixed in 6.8.0-1006.8)
linux-gkeop-5.15
linux-gkeop-5.4
linux-hwe
linux-hwe-5.11
linux-hwe-5.13
linux-hwe-5.15 (fixed in 5.15.0-127.137~20.04.1)
linux-hwe-5.19
linux-hwe-5.4 (fixed in 5.4.0-208.228~18.04.1)
linux-hwe-5.8
linux-hwe-6.2
linux-hwe-6.5
linux-hwe-6.8 (fixed in 6.8.0-57.59~22.04.1)
linux-hwe-edge
linux-ibm (fixed in 6.8.0-1022.22)
linux-ibm-5.15 (fixed in 5.15.0-1066.69~20.04.1)
linux-ibm-5.4 (fixed in 5.4.0-1086.91~18.04.1)
linux-ibm-6.8 (fixed in 6.8.0-1023.23~22.04.1)
linux-intel-5.13
linux-intel-iot-realtime (fixed in 5.15.0-1066.68)
linux-intel-iotg (fixed in 5.15.0-1071.77)
linux-intel-iotg-5.15 (fixed in 5.15.0-1071.77~20.04.1)
linux-iot (fixed in 5.4.0-1048.51)
linux-kvm (fixed in 5.15.0-1070.75)
linux-lowlatency (fixed in 6.8.0-54.56.1)
linux-lowlatency-hwe-5.15 (fixed in 5.15.0-127.137~20.04.1)
linux-lowlatency-hwe-5.19
linux-lowlatency-hwe-6.2
linux-lowlatency-hwe-6.5
linux-lowlatency-hwe-6.8 (fixed in 6.8.0-54.56.1~22.04.1)
linux-nvidia (fixed in 6.8.0-1022.25)
linux-nvidia-6.11 (fixed in 6.11.0-1007.7)
linux-nvidia-6.2
linux-nvidia-6.5
linux-nvidia-6.8 (fixed in 6.8.0-1022.25~22.04.2)
linux-nvidia-lowlatency (fixed in 6.8.0-1022.25.2)
linux-nvidia-tegra (fixed in 5.15.0-1032.32)
linux-nvidia-tegra-5.15 (fixed in 5.15.0-1032.32~20.04.1)
linux-nvidia-tegra-igx (fixed in 5.15.0-1020.20)
linux-oem
linux-oem-5.10
linux-oem-5.13
linux-oem-5.14
linux-oem-5.17
linux-oem-5.6
linux-oem-6.0
linux-oem-6.1
linux-oem-6.11 (fixed in 6.11.0-1015.15)
linux-oem-6.5
linux-oem-6.8 (fixed in 6.8.0-1024.24)
linux-oracle (fixed in 6.8.0-1020.21)
linux-oracle-5.0
linux-oracle-5.11
linux-oracle-5.13
linux-oracle-5.15 (fixed in 5.15.0-1071.77~20.04.1)
linux-oracle-5.3
linux-oracle-5.4 (fixed in 5.4.0-1138.147~18.04.1)
linux-oracle-5.8
linux-oracle-6.5
linux-oracle-6.8 (fixed in 6.8.0-1020.21~22.04.1)
linux-raspi (fixed in 6.8.0-1019.23)
linux-raspi-5.4 (fixed in 5.4.0-1129.142~18.04.1)
linux-raspi-realtime (fixed in 6.8.0-2018.19)
linux-raspi2
linux-realtime (fixed in 6.8.1-1016.17)
linux-realtime-6.8 (fixed in 6.8.1-1016.17~22.04.1)
linux-riscv (fixed in 6.8.0-53.55.1)
linux-riscv-5.11
linux-riscv-5.15 (fixed in 5.15.0-1069.73~20.04.1)
linux-riscv-5.19
linux-riscv-5.8
linux-riscv-6.5
linux-riscv-6.8 (fixed in 6.8.0-53.55.1~22.04.1)
linux-starfive-5.19
linux-starfive-6.2
linux-starfive-6.5
linux-xilinx (fixed in 6.8.0-1017.18)
linux-xilinx-zynqmp (fixed in 5.15.0-1039.43)

Timeline and source

Published on 21 October 2024 and last revised on 17 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

Other advisories for this package

linux has other advisories on record. If you are patching this one, these are worth checking on the same host:

DEBIAN-CVE-2022-4994 (published 30 Jul 2026)
CVE-2026-35233 (4.4 Medium, published 1 May 2026)
CVE-2026-21996 (3.3 Low, published 1 May 2026)
CVE-2026-21991 (5.5 Medium, published 16 Mar 2026)
CGA-mcwh-q4vm-9f29 (published 29 Jan 2026)
CGA-w6xv-3fg4-grm5 (published 29 Jan 2026)
CGA-4fpx-x3w2-4hfv (published 7 Jan 2026)
CGA-fv2v-4h6c-q367 (published 7 Jan 2026)

CVE-2024-49985 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

BellSoft — BELL-CVE-2024-49985 Base record — CVE-2024-49985 Debian — DEBIAN-CVE-2024-49985

Details

Severity Unknown

CVSS Score N/A

CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2024-10-21

Updated 2026-08-20

Modified 2026-08-17

Fix URL N/A

Affected Packages

Software	From version	Fixed in
linux	—	6.8.0-54.56
linux-allwinner-5.19	—	—
linux-aws	—	6.8.0-1023.25
linux-aws-5.0	—	—
linux-aws-5.11	—	—
linux-aws-5.13	—	—
linux-aws-5.15	—	5.15.0-1073.79~20.04.1
linux-aws-5.19	—	—
linux-aws-5.3	—	—
linux-aws-5.4	—	5.4.0-1142.152~18.04.1
linux-aws-5.8	—	—
linux-aws-6.2	—	—
linux-aws-6.5	—	—
linux-aws-6.8	—	6.8.0-1023.25~22.04.1
linux-aws-fips	—	5.15.0-1073.79+fips1
linux-azure	—	6.8.0-1025.30
linux-azure-5.11	—	—
linux-azure-5.13	—	—
linux-azure-5.15	—	5.15.0-1078.87~20.04.1
linux-azure-5.19	—	—
linux-azure-5.3	—	—
linux-azure-5.4	—	5.4.0-1145.152~18.04.1
linux-azure-5.8	—	—
linux-azure-6.11	—	6.11.0-1012.12~24.04.1
linux-azure-6.2	—	—
linux-azure-6.5	—	—
linux-azure-6.8	—	6.8.0-1025.30~22.04.1
linux-azure-edge	—	—
linux-azure-fde	—	—
linux-azure-fde-5.19	—	—
linux-azure-fde-6.2	—	—
linux-azure-fips	—	5.15.0-1078.87+fips1
linux-azure-nvidia	—	6.8.0-1014.15
linux-bluefield	—	—
linux-fips	—	6.8.0-78.78+fips1
linux-gcp	—	6.8.0-1024.26
linux-gcp-5.11	—	—
linux-gcp-5.13	—	—
linux-gcp-5.15	—	5.15.0-1072.80~20.04.1
linux-gcp-5.19	—	—
linux-gcp-5.3	—	—
linux-gcp-5.4	—	5.4.0-1143.152~18.04.1
linux-gcp-5.8	—	—
linux-gcp-6.11	—	6.11.0-1011.11~24.04.1
linux-gcp-6.2	—	—
linux-gcp-6.5	—	—
linux-gcp-6.8	—	6.8.0-1024.26~22.04.1
linux-gcp-fips	—	5.15.0-1072.80+fips1
linux-gke	—	6.8.0-1019.23
linux-gke-4.15	—	—
linux-gke-5.15	—	—
linux-gke-5.4	—	—
linux-gkeop	—	6.8.0-1006.8
linux-gkeop-5.15	—	—
linux-gkeop-5.4	—	—
linux-hwe	—	—
linux-hwe-5.11	—	—
linux-hwe-5.13	—	—
linux-hwe-5.15	—	5.15.0-127.137~20.04.1
linux-hwe-5.19	—	—
linux-hwe-5.4	—	5.4.0-208.228~18.04.1
linux-hwe-5.8	—	—
linux-hwe-6.2	—	—
linux-hwe-6.5	—	—
linux-hwe-6.8	—	6.8.0-57.59~22.04.1
linux-hwe-edge	—	—
linux-ibm	—	6.8.0-1022.22
linux-ibm-5.15	—	5.15.0-1066.69~20.04.1
linux-ibm-5.4	—	5.4.0-1086.91~18.04.1
linux-ibm-6.8	—	6.8.0-1023.23~22.04.1
linux-intel-5.13	—	—
linux-intel-iot-realtime	—	5.15.0-1066.68
linux-intel-iotg	—	5.15.0-1071.77
linux-intel-iotg-5.15	—	5.15.0-1071.77~20.04.1
linux-iot	—	5.4.0-1048.51
linux-kvm	—	5.15.0-1070.75
linux-lowlatency	—	6.8.0-54.56.1
linux-lowlatency-hwe-5.15	—	5.15.0-127.137~20.04.1
linux-lowlatency-hwe-5.19	—	—
linux-lowlatency-hwe-6.2	—	—
linux-lowlatency-hwe-6.5	—	—
linux-lowlatency-hwe-6.8	—	6.8.0-54.56.1~22.04.1
linux-nvidia	—	6.8.0-1022.25
linux-nvidia-6.11	—	6.11.0-1007.7
linux-nvidia-6.2	—	—
linux-nvidia-6.5	—	—
linux-nvidia-6.8	—	6.8.0-1022.25~22.04.2
linux-nvidia-lowlatency	—	6.8.0-1022.25.2
linux-nvidia-tegra	—	5.15.0-1032.32
linux-nvidia-tegra-5.15	—	5.15.0-1032.32~20.04.1
linux-nvidia-tegra-igx	—	5.15.0-1020.20
linux-oem	—	—
linux-oem-5.10	—	—
linux-oem-5.13	—	—
linux-oem-5.14	—	—
linux-oem-5.17	—	—
linux-oem-5.6	—	—
linux-oem-6.0	—	—
linux-oem-6.1	—	—
linux-oem-6.11	—	6.11.0-1015.15
linux-oem-6.5	—	—
linux-oem-6.8	—	6.8.0-1024.24
linux-oracle	—	6.8.0-1020.21
linux-oracle-5.0	—	—
linux-oracle-5.11	—	—
linux-oracle-5.13	—	—
linux-oracle-5.15	—	5.15.0-1071.77~20.04.1
linux-oracle-5.3	—	—
linux-oracle-5.4	—	5.4.0-1138.147~18.04.1
linux-oracle-5.8	—	—
linux-oracle-6.5	—	—
linux-oracle-6.8	—	6.8.0-1020.21~22.04.1
linux-raspi	—	6.8.0-1019.23
linux-raspi-5.4	—	5.4.0-1129.142~18.04.1
linux-raspi-realtime	—	6.8.0-2018.19
linux-raspi2	—	—
linux-realtime	—	6.8.1-1016.17
linux-realtime-6.8	—	6.8.1-1016.17~22.04.1
linux-riscv	—	6.8.0-53.55.1
linux-riscv-5.11	—	—
linux-riscv-5.15	—	5.15.0-1069.73~20.04.1
linux-riscv-5.19	—	—
linux-riscv-5.8	—	—
linux-riscv-6.5	—	—
linux-riscv-6.8	—	6.8.0-53.55.1~22.04.1
linux-starfive-5.19	—	—
linux-starfive-6.2	—	—
linux-starfive-6.5	—	—
linux-xilinx	—	6.8.0-1017.18
linux-xilinx-zynqmp	—	5.15.0-1039.43

References

REPORT https://ubuntu.com/security/CVE-2024-49985

REPORT https://www.cve.org/CVERecord?id=CVE-2024-49985

REPORT https://git.kernel.org/linus/048bbbdbf85e5e00258dfb12f5e368f908801d7b

REPORT https://git.kernel.org/stable/c/9b8bc33ad64192f54142396470cc34ce539a8940

REPORT https://git.kernel.org/stable/c/1883cad2cc629ded4a3556c0bbb8b42533ad8764

REPORT https://git.kernel.org/stable/c/c2024b1a583ab9176c797ea1e5f57baf8d5e2682

REPORT https://git.kernel.org/stable/c/22a1f8a5b56ba93d3e8b7a1dafa24e01c8bb48ba

REPORT https://git.kernel.org/stable/c/fac3c9f7784e8184c0338e9f0877b81e55d3ef1c

REPORT https://git.kernel.org/stable/c/894cd5f5fd9061983445bbd1fa3d81be43095344

REPORT https://git.kernel.org/stable/c/048bbbdbf85e5e00258dfb12f5e368f908801d7b

ADVISORY https://ubuntu.com/security/notices/USN-7166-1

ADVISORY https://ubuntu.com/security/notices/USN-7166-2

ADVISORY https://ubuntu.com/security/notices/USN-7166-3

ADVISORY https://ubuntu.com/security/notices/USN-7186-1

ADVISORY https://ubuntu.com/security/notices/USN-7186-2

ADVISORY https://ubuntu.com/security/notices/USN-7194-1

ADVISORY https://ubuntu.com/security/notices/USN-7166-4

ADVISORY https://ubuntu.com/security/notices/USN-7276-1

ADVISORY https://ubuntu.com/security/notices/USN-7277-1

ADVISORY https://ubuntu.com/security/notices/USN-7293-1

ADVISORY https://ubuntu.com/security/notices/USN-7294-1

ADVISORY https://ubuntu.com/security/notices/USN-7295-1

ADVISORY https://ubuntu.com/security/notices/USN-7301-1

ADVISORY https://ubuntu.com/security/notices/USN-7303-1

ADVISORY https://ubuntu.com/security/notices/USN-7304-1

ADVISORY https://ubuntu.com/security/notices/USN-7294-2

ADVISORY https://ubuntu.com/security/notices/USN-7294-3

ADVISORY https://ubuntu.com/security/notices/USN-7303-2

ADVISORY https://ubuntu.com/security/notices/USN-7310-1

ADVISORY https://ubuntu.com/security/notices/USN-7311-1

ADVISORY https://ubuntu.com/security/notices/USN-7303-3

ADVISORY https://ubuntu.com/security/notices/USN-7294-4

ADVISORY https://ubuntu.com/security/notices/USN-7384-1

ADVISORY https://ubuntu.com/security/notices/USN-7385-1

ADVISORY https://ubuntu.com/security/notices/USN-7386-1

ADVISORY https://ubuntu.com/security/notices/USN-7393-1

ADVISORY https://ubuntu.com/security/notices/USN-7384-2

ADVISORY https://ubuntu.com/security/notices/USN-7401-1

ADVISORY https://ubuntu.com/security/notices/USN-7403-1

ADVISORY https://ubuntu.com/security/notices/USN-7413-1

ADVISORY https://ubuntu.com/security/notices/USN-7468-1

ADVISORY https://ubuntu.com/security/notices/USN-7539-1

ADVISORY https://ubuntu.com/security/notices/USN-7540-1

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🛡️ CVE-2024-49985 on Ubuntu — linux

Description

Distribution advisory

How this vulnerability can be exploited

CVSS metrics in full

Affected software

Timeline and source

References

Other advisories for this package

CVE-2024-49985 on other distributions

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