Description
In the Linux kernel, the following vulnerability has been resolved:
misc/uss720: fix memory leak in uss720_probe
uss720_probe forgets to decrease the refcount of usbdev in uss720_probe.
Fix this by decreasing the refcount of usbdev by usb_put_dev.
BUG: memory leak
unreferenced object 0xffff888101113800 (size 2048):
comm "kworker/0:1", pid 7, jiffies 4294956777 (age 28.870s)
hex dump (first 32 bytes):
ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1...........
00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................
backtrace:
[<ffffffff82b8e822>] kmalloc include/linux/slab.h:554 [inline]
[<ffffffff82b8e822>] kzalloc include/linux/slab.h:684 [inline]
[<ffffffff82b8e822>] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582
[<ffffffff82b98441>] hub_port_connect drivers/usb/core/hub.c:5129 [inline]
[<ffffffff82b98441>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
[<ffffffff82b98441>] port_event drivers/usb/core/hub.c:5509 [inline]
[<ffffffff82b98441>] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591
[<ffffffff81259229>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275
[<ffffffff81259b19>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421
[<ffffffff81261228>] kthread+0x178/0x1b0 kernel/kthread.c:292
[<ffffffff8100227f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 2.6.14 | 4.4.271 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.14.6-1 | — |
| Debian 13 | linux | 5.14.6-1 | — |
| Debian 12 | linux | 5.14.6-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-80.90 | — |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1054.57 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1055.57 | — |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1016.19 | — |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1049.53 | — |
| Ubuntu 20.04 LTS | linux-gke +26 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1021.22 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1044.46 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1052.56 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1041.45 | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-151.157 | — |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1109.116 | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1054.57~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1121.134 | — |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1055.57~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1106.120 | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1049.53~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-80.90~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1097.99 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1078.86 | — |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1052.56~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1041.45~18.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1031.36 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2051.53 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2033.37 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1066.75 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-gcp-fips | 4.15.0-2016.18 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1104.111 | — |
| Ubuntu Pro 16.04 LTS | linux | 4.4.0-258.292 | USN-6976-1 |
| Ubuntu Pro 16.04 LTS | linux-aws | 4.4.0-1173.188 | USN-6976-1 |
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | 4.15.0-1109.116~16.04.1 | — |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1121.134~16.04.1 | — |
| Ubuntu Pro 16.04 LTS | linux-gcp | 4.15.0-1106.120~16.04.1 | — |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-151.157~16.04.1 | — |
| Ubuntu Pro 16.04 LTS | linux-kvm | 4.4.0-1136.146 | USN-6976-1 |
| Ubuntu Pro 16.04 LTS | linux-oracle | 4.15.0-1078.86~16.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1135.141 | USN-6976-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1121.134~14.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-258.292~14.04.2 | USN-6976-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.158.1 | SUSE-SU-2024:1489-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.158.1.150300.18.92.5 | SUSE-SU-2024:1489-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-150200.24.188.1.150200.9.95.3 | SUSE-SU-2024:1454-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.188.1 | SUSE-SU-2024:1454-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.182.1 | SUSE-SU-2024:1643-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.216.1 | SUSE-SU-2024:1870-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP3 | kernel-default-base | 5.3.18-150300.59.158.1.150300.18.92.5 | SUSE-SU-2024:1489-1 |
| SLES for SAP 15 SP3 | kernel-docs +5 | 5.3.18-150300.59.158.1 | SUSE-SU-2024:1489-1 |
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.188.1.150200.9.95.3 | SUSE-SU-2024:1454-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.188.1 | SUSE-SU-2024:1454-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.182.1 | SUSE-SU-2024:1643-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.216.1 | SUSE-SU-2024:1870-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.182.1 | SUSE-SU-2024:1646-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.158.1 | SUSE-SU-2024:1489-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.158.1.150300.18.92.5 | SUSE-SU-2024:1489-1 |
| SLE Micro 5.2 | kernel-rt +1 | 5.3.18-150300.166.1 | SUSE-SU-2024:1465-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.158.1 | SUSE-SU-2024:1489-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.158.1.150300.18.92.5 | SUSE-SU-2024:1489-1 |
| SLE Micro 5.1 | kernel-rt +1 | 5.3.18-150300.166.1 | SUSE-SU-2024:1465-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.158.1 | SUSE-SU-2024:1489-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_43 | 1-150300.7.3.5 | SUSE-SU-2024:1489-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-150200.24.188.1 | SUSE-SU-2024:1454-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_47 | 1-150200.5.3.3 | SUSE-SU-2024:1454-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.216.1 | SUSE-SU-2024:1870-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_56 | 1-8.3.1 | SUSE-SU-2024:1870-1 |
| SLE HPC 15 SP3 | kernel-64kb +6 | 5.3.18-150300.59.158.1 | SUSE-SU-2024:1489-1 |
| SLE HPC 15 SP3 | kernel-default-base | 5.3.18-150300.59.158.1.150300.18.92.5 | SUSE-SU-2024:1489-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.188.1.150200.9.95.3 | SUSE-SU-2024:1454-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.188.1 | SUSE-SU-2024:1454-1 |
| SUSE Enterprise Storage 7.1 | kernel-64kb +6 | 5.3.18-150300.59.158.1 | SUSE-SU-2024:1489-1 |
| SUSE Enterprise Storage 7.1 | kernel-default-base | 5.3.18-150300.59.158.1.150300.18.92.5 | SUSE-SU-2024:1489-1 |
Advisories 8
- USN-6976-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- WID-SEC-2024-0699 Linux-Kernel: Mehrere Schwachstellen ermöglichen Denial of Service und unspezifische Angriffe BSI CERT-Bund (WID) · Apr 1, 2026
- SUSE-SU-2024:1489-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1870-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1454-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1646-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1643-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1465-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391
- https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42
- https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364
- https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a
- https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88
- https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55
- https://git.kernel.org/stable/c/a3c3face38cb49932c62adcc1289914f1c742096
- https://git.kernel.org/stable/c/dcb4b8ad6a448532d8b681b5d1a7036210b622de