CVE-2023-52832
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
wifi: mac80211: don't return unset power in ieee80211_get_tx_power()
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't return unset power in ieee80211_get_tx_power() We can get a UBSAN warning if ieee80211_get_tx_power() returns the INT_MIN value mac80211 internally uses for "unset power level". UBSAN: signed-integer-overflow in net/wireless/nl80211.c:3816:5 -2147483648 * 100 cannot be represented in type 'int' CPU: 0 PID: 20433 Comm: insmod Tainted: G WC OE Call Trace: dump_stack+0x74/0x92 ubsan_epilogue+0x9/0x50 handle_overflow+0x8d/0xd0 __ubsan_handle_mul_overflow+0xe/0x10 nl80211_send_iface+0x688/0x6b0 [cfg80211] [...] cfg80211_register_wdev+0x78/0xb0 [cfg80211] cfg80211_netdev_notifier_call+0x200/0x620 [cfg80211] [...] ieee80211_if_add+0x60e/0x8f0 [mac80211] ieee80211_register_hw+0xda5/0x1170 [mac80211] In this case, simply return an error instead, to indicate that no data is available.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| db6d9e9e8b48b7ab68c61553eb5fa68534dd0fde | affected | git | 717de20abdcd1d4993fa450e28b8086a352620ea | Unavailable | None listed |
| db6d9e9e8b48b7ab68c61553eb5fa68534dd0fde | affected | git | 21a0f310a9f3bfd2b4cf4f382430e638607db846 | Unavailable | None listed |
| db6d9e9e8b48b7ab68c61553eb5fa68534dd0fde | affected | git | 2be24c47ac19bf639c48c082486c08888bd603c6 | Unavailable | None listed |
| db6d9e9e8b48b7ab68c61553eb5fa68534dd0fde | affected | git | adc2474d823fe81d8da759207f4f1d3691aa775a | Unavailable | None listed |
| db6d9e9e8b48b7ab68c61553eb5fa68534dd0fde | affected | git | 5a94cffe90e20e8fade0b9abd4370bd671fe87c7 | Unavailable | None listed |
| db6d9e9e8b48b7ab68c61553eb5fa68534dd0fde | affected | git | e160ab85166e77347d0cbe5149045cb25e83937f | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.7 | Unavailable | None listed |
| 5.10.202 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.140 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.64 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.5.13 | unaffected | semver | Unavailable | 6.5.* | None listed |
| 6.6.3 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.7 | unaffected | original_commit_for_fix | Unavailable | * | None listed |