USN-7291-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drivers; - GPU drivers; - HID subsystem; -...

CVE-2022-49700

In the Linux kernel, the following vulnerability has been resolved: mm/slub: add missing TID updates on slab deactivation The fastpath in slaballocnode assumes that c-slab is stable as long as the TID stays the same. However, two places in slaballoc currently don't update the TID when deactivatin...

CVE-2022-49365

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Off by one in dmdmuboutbox1lowirq The ARRAYSIZE should be = ARRAYSIZE to prevent an out of bounds access...

CVE-2022-49610

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Prevent RSB underflow before vmenter On VMX, there are some balanced returns between the time the guest's SPECCTRL value is written, and the vmenter. Balanced returns matched by a preceding call are usually ok, but it's...

CVE-2022-49572

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpslowstartafteridle. While reading sysctltcpslowstartafteridle, it can be changed concurrently. Thus, we need to add READONCE to its readers...

CVE-2022-49240

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8195: Fix error handling in mt8195mt6359rt1019rt5682devprobe The devicenode pointer is returned by ofparsephandle with refcount incremented. We should use ofnodeput on it when done. This function only calls...

CVE-2022-49238

In the Linux kernel, the following vulnerability has been resolved: ath11k: free peer for station when disconnect from AP for QCA6390/WCN6855 Commit b4a0f54156ac "ath11k: move peer delete after vdev stop of station for QCA6390 and WCN6855" is to fix firmware crash by changing the WMI command...

CVE-2022-49605

In the Linux kernel, the following vulnerability has been resolved: igc: Reinstate IGCREMOVED logic and implement it properly The initially merged version of the igc driver code via commit 146740f9abc4, "igc: Add support for PF" contained the following IGCREMOVED checks in the igcrd32/wr32 MMIO...

CVE-2022-49518

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc3-topology: Correct getcontroldata for non bytes payload It is possible to craft a topology where sofgetcontroldata would do out of bounds access because it expects that it is only called when the payload is bytes...

CVE-2022-49683

In the Linux kernel, the following vulnerability has been resolved: iio: adc: adi-axi-adc: Fix refcount leak in adiaxiadcattachclient ofparsephandle returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak...

CVE-2022-49546

In the Linux kernel, the following vulnerability has been resolved: x86/kexec: fix memory leak of elf header buffer This is reported by kmemleak detector: unreferenced object 0xffffc900002a9000 size 4096: comm "kexec", pid 14950, jiffies 4295110793 age 373.951s hex dump first 32 bytes: 7f 45 4c 4...

CVE-2022-49438

In the Linux kernel, the following vulnerability has been resolved: Input: sparcspkr - fix refcount leak in bbcbeepprobe offindnodebypath calls offindnodeoptsbypath, which returns a node pointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid...

CVE-2022-49513

In the Linux kernel, the following vulnerability has been resolved: cpufreq: governor: Use kobject release method to free dbsdata The struct dbsdata embeds a struct govattrset and the struct govattrset embeds a kobject. Since every kobject must have a release method and we can't use kfree to free...

CVE-2022-49709

In the Linux kernel, the following vulnerability has been resolved: cfi: Fix cfislowpathdiag RCU usage with cpuidle RCUNONIDLE usage during cfislowpathdiag can result in an invalid RCU state in the cpuidle code path: WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 rcueqsenter+0xe4/0x138 ... Call...

CVE-2022-49728

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix signed integer overflow in ip6appenddata Resurrect ubsan overflow checks and ubsan report this warning, fix it by change the variable length type to sizet. UBSAN: signed-integer-overflow in net/ipv6/ip6output.c:1489:19...

CVE-2022-49627

In the Linux kernel, the following vulnerability has been resolved: ima: Fix potential memory leak in imainitcrypto On failure to allocate the SHA1 tfm, IMA fails to initialize and exits without freeing the imaalgoarray. Add the missing kfree for imaalgoarray to avoid the potential memory leak...

UBUNTU-CVE-2022-49700

In the Linux kernel, the following vulnerability has been resolved: mm/slub: add missing TID updates on slab deactivation The fastpath in slaballocnode assumes that c-slab is stable as long as the TID stays the same. However, two places in slaballoc currently don't update the TID when deactivatin...

CVE-2022-49075

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve overflow the qgroup limit We use extentchangeset-byteschanged in qgroupreservedata to record how many bytes we set for EXTENTQGROUPRESERVED state. Currently the byteschanged is set as "unsigned int", and...

CVE-2022-49225

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921s: fix a possible memory leak in mt7921loadpatch Always release fw data at the end of mt7921loadpatch routine...

CVE-2022-49050

In the Linux kernel, the following vulnerability has been resolved: memory: renesas-rpc-if: fix platform-device leak in error path Make sure to free the flash platform device in the event that registration fails during probe...