Integer Overflow or Wraparound Affecting perf-debuginfo package, versions <0:4.14.304-226.531.amzn2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-AMZN2-PERFDEBUGINFO-9513835
- published26 Mar 2025
- disclosed21 Oct 2024
Introduced: 21 Oct 2024
CVE-2022-48947 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 perf-debuginfo to version 0:4.14.304-226.531.amzn2 or higher.
This issue was patched in ALAS2-2023-1932.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: L2CAP: Fix u8 overflow
By keep sending L2CAP_CONF_REQ packets, chan->num_conf_rsp increases multiple times and eventually it will wrap around the maximum number (i.e., 255). This patch prevents this by adding a boundary check with L2CAP_MAX_CONF_RSP
Btmon log: Bluetooth monitor ver 5.64 = Note: Linux version 6.1.0-rc2 (x86_64) 0.264594 = Note: Bluetooth subsystem version 2.22 0.264636 @ MGMT Open: btmon (privileged) version 1.22 {0x0001} 0.272191 = New Index: 00:00:00:00:00:00 (Primary,Virtual,hci0) [hci0] 13.877604 @ RAW Open: 9496 (privileged) version 2.22 {0x0002} 13.890741 = Open Index: 00:00:00:00:00:00 [hci0] 13.900426 (...) > ACL Data RX: Handle 200 flags 0x00 dlen 1033 #32 [hci0] 14.273106 invalid packet size (12 != 1033) 08 00 01 00 02 01 04 00 01 10 ff ff ............ > ACL Data RX: Handle 200 flags 0x00 dlen 1547 #33 [hci0] 14.273561 invalid packet size (14 != 1547) 0a 00 01 00 04 01 06 00 40 00 00 00 00 00 ........@..... > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #34 [hci0] 14.274390 invalid packet size (16 != 2061) 0c 00 01 00 04 01 08 00 40 00 00 00 00 00 00 04 ........@....... > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #35 [hci0] 14.274932 invalid packet size (16 != 2061) 0c 00 01 00 04 01 08 00 40 00 00 00 07 00 03 00 ........@....... = bluetoothd: Bluetooth daemon 5.43 14.401828 > ACL Data RX: Handle 200 flags 0x00 dlen 1033 #36 [hci0] 14.275753 invalid packet size (12 != 1033) 08 00 01 00 04 01 04 00 40 00 00 00 ........@...
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-48947
- https://git.kernel.org/stable/c/19a78143961a197de8502f4f29c453b913dc3c29
- https://git.kernel.org/stable/c/49d5867819ab7c744852b45509e8469839c07e0e
- https://git.kernel.org/stable/c/5550bbf709c323194881737fd290c4bada9e6ead
- https://git.kernel.org/stable/c/95f1847a361c7b4bf7d74c06ecb6968455082c1a
- https://git.kernel.org/stable/c/9fdc79b571434af7bc742da40a3405f038b637a7
- https://git.kernel.org/stable/c/ad528fde0702903208d0a79d88d5a42ae3fc235b
- https://git.kernel.org/stable/c/bcd70260ef56e0aee8a4fc6cd214a419900b0765
- https://git.kernel.org/stable/c/f3fe6817156a2ad4b06f01afab04638a34d7c9a6