5.5

CVE-2023-53548: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2023-53548DEBIAN-CVE-2023-53548
Published 04-10-2025Last modified 11-05-2026

Vulnerability summary

CVE-2023-53548 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.3% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 15 · Related 15

Timeline

  1. 04-10-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb The syzbot fuzzer identified a problem in the usbnet driver: usb 1-1: BOGUS urb xfer, pipe 3 != type 1 WARNING: CPU: 0 PID: 754 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 Modules linked in: CPU: 0 PID: 754 Comm: kworker/0:2 Not tainted 6.4.0-rc7-syzkaller-00014-g692b7dc87ca6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: mld mld_ifc_work RIP: 0010:usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 Code: 7c 24 18 e8 2c b4 5b fb 48 8b 7c 24 18 e8 42 07 f0 fe 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 c9 fc 8a e8 5a 6f 23 fb <0f> 0b e9 58 f8 ff ff e8 fe b3 5b fb 48 81 c5 c0 05 00 00 e9 84 f7 RSP: 0018:ffffc9000463f568 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88801eb28000 RSI: ffffffff814c03b7 RDI: 0000000000000001 RBP: ffff8881443b7190 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000003 R13: ffff88802a77cb18 R14: 0000000000000003 R15: ffff888018262500 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556a99c15a18 CR3: 0000000028c71000 CR4: 0000000000350ef0 Call Trace: <TASK> usbnet_start_xmit+0xfe5/0x2190 drivers/net/usb/usbnet.c:1453 __netdev_start_xmit include/linux/netdevice.h:4918 [inline] netdev_start_xmit include/linux/netdevice.h:4932 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x187/0x700 net/core/dev.c:3594 ... This bug is caused by the fact that usbnet trusts the bulk endpoint addresses its probe routine receives in the driver_info structure, and it does not check to see that these endpoints actually exist and have the expected type and directions. The fix is simply to add such a check.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

0.00 pp

From 0.16% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu124 products
  • linuxAll versions (No fix recorded) | < 5.4.0-169.187 | < 5.15.0-88.98
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1116.126 | < 5.15.0-1049.54
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 2e55cc7210fef90f88201e860d8767594974574e, < a0715d04cf687a7e21f0d6ac8c1d479294a3f6f8 | ≥ 2e55cc7210fef90f88201e860d8767594974574e, < 53c250ea57cf03af41339234b9855ae284f9db91 | ≥ 2e55cc7210fef90f88201e860d8767594974574e, < a05ac5d00eb7fcb2fda806caa4f56e88df6bc6bb | ≥ 2e55cc7210fef90f88201e860d8767594974574e, < ec0d0be41721aca683c5606354a58ee2c687e3f8 | ≥ 2e55cc7210fef90f88201e860d8767594974574e, < 27d0f755d649d388fcd12f01436c9a33289e14e3 | ≥ 2e55cc7210fef90f88201e860d8767594974574e, < 1bebbd9b8037a9cc75984317cb495dec4824c399 | ≥ 2e55cc7210fef90f88201e860d8767594974574e, < 0dd3e0c31bf3e933fb85faf1443833aef90b8e46 | ≥ 2e55cc7210fef90f88201e860d8767594974574e, < 5e1627cb43ddf1b24b92eb26f8d958a3f5676ccb | 2.6.14
  • linux_kernel≥ 2.6.14, < 4.14.322 | ≥ 4.15, < 4.19.291 | ≥ 4.20, < 5.4.253 | ≥ 5.5, < 5.10.190 | ≥ 5.11, < 5.15.126 | ≥ 5.16, < 6.1.45 | ≥ 6.2, < 6.4.10 | 6.5:rc1 | 6.5:rc2
Debian1 product
  • linux< 6.1.52-1 | < 6.4.11-1

3 vendors · 127 products

References

12 links
Show all 12 references